Catholic DiocesesinItalian Republic (Italy) |
Former Jurisdiction | Type | Became |
Acerenza Acheruntin(us) | Metr. Archdiocese | Now Archdiocese of Acerenza |
Acerenza Acheruntin(us) | Metr. Archdiocese | Now Archdiocese of Acerenza |
Acerenza Acheruntin(us) | Diocese | Now Archdiocese of Acerenza |
Acerenza Acheruntin(us) | Diocese | Now Archdiocese of Acerenza |
Acerenza Acheruntin(us) | Diocese | Now Archdiocese of Acerenza |
Acerno Acernen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Salerno–Campagna–Acerno |
Acquapendente / Aquipendium Aquipendien(sis) | Diocese | Now Diocese of Viterbo and Titular Episcopal See of Acquapendente |
Acquapendente / Aquipendium Aquipendien(sis) | Diocese | Now Diocese of Viterbo and Titular Episcopal See of Acquapendente |
Acquaputrida | Diocese | Suppressed into Titular Episcopal See of Frigento |
Acquaviva delle Fonti Aquaviven(sis) | Archpresbyterate nullius | Suppressed into Diocese of Altamura–Gravina–Acquaviva delle Fonti |
Adria Adrien(sis) | Diocese | Now Diocese of Adria–Rovigo |
Adria Adrien(sis) | Diocese | Now Diocese of Adria–Rovigo |
Adria Adrien(sis) | Diocese | Now Diocese of Adria–Rovigo |
Agrigento Agrigentin(us) | Diocese | Now Metropolitan Archdiocese of Agrigento |
Agrigento Agrigentin(us) | Diocese | Now Metropolitan Archdiocese of Agrigento |
Agrigento Agrigentin(us) | Diocese | Now Metropolitan Archdiocese of Agrigento |
Agrigento Agrigentin(us) | Diocese | Now Metropolitan Archdiocese of Agrigento |
Agropoli / Acropolis Acropolitan(us) | Diocese | Now Titular Episcopal See of Pesto and Titular Episcopal See of Agropoli |
Alatri Alatrin(us) | Diocese | Suppressed into Diocese of Anagni–Alatri |
Albenga Albinganen(sis) | Diocese | Now Diocese of Albenga–Imperia |
Albenga Albinganen(sis) | Diocese | Now Diocese of Albenga–Imperia |
Albenga Albinganen(sis) | Diocese | Now Diocese of Albenga–Imperia |
Albenga Albinganen(sis) | Diocese | Now Diocese of Albenga–Imperia |
Ales Uxellen(sis) | Diocese | Now Diocese of Ales–Terralba |
Ales Uxellen(sis) | Diocese | Now Diocese of Ales–Terralba |
Alesa Alesin(us) | Diocese | Now Titular Episcopal See of Alesa and Titular Episcopal See of Alesa |
Alessano / Alexanum Alexanen(sis) | Diocese | Now Diocese of Ugento–Santa Maria di Leuca and Titular Episcopal See of Alessano |
Alghero Algaren(sis) | Diocese | Now Diocese of Alghero–Bosa |
Alghero Algaren(sis) | Diocese | Now Diocese of Alghero–Bosa |
Alife Aliphan(us) | Diocese | Now Diocese of Cerreto Sannita–Telese–Sant’Agata de’ Goti |
Altamura Altamuren(sis) | Territorial Prelature | Now Diocese of Altamura–Gravina–Acquaviva delle Fonti |
Altamura Altamuren(sis) | Archpresbyterate nullius | Now Diocese of Altamura–Gravina–Acquaviva delle Fonti |
Altino / Altinum Altinen(sis) | Diocese | Now Diocese of Treviso and Titular Episcopal See of Altino |
Altino / Altinum Altinen(sis) | Diocese | Now Diocese of Treviso and Titular Episcopal See of Altino |
Amalfi Amalphitan(us) | Metr. Archdiocese | Now Archdiocese of Amalfi–Cava de’ Tirreni |
Amalfi Amalphitan(us) | Archdiocese | Now Archdiocese of Amalfi–Cava de’ Tirreni |
Amalfi Amalphitan(us) | Diocese | Now Archdiocese of Amalfi–Cava de’ Tirreni |
Amantea Matheanen(sis) | Diocese | Now Diocese of Tropea and Titular Episcopal See of Amantea |
Amelia Amerin(us) | Diocese | Suppressed into Diocese of Terni–Narni–Amelia |
Amiterno / Amiternum Amiternin(us) | Diocese | Now Diocese of Rieti and Titular Episcopal See of Amiterno |
Ampurias Ampurien(sis) | Diocese | Suppressed into |
Anagni Anagnin(us) | Diocese | Now Diocese of Anagni–Alatri |
Anagni Anagnin(us) | Diocese | Now Diocese of Anagni–Alatri |
Ancona Anconitan(us) | Metr. Archdiocese | Now Metropolitan Archdiocese of Ancona–Osimo |
Ancona Anconitan(us) | Diocese | Now Metropolitan Archdiocese of Ancona–Osimo |
Ancona e Umana Anconitan(us) et Numanen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Ancona–Osimo |
Ancona e Umana Anconitan(us) et Numanen(sis) | Archdiocese | Now Metropolitan Archdiocese of Ancona–Osimo |
Ancona e Umana Anconitan(us) et Numanen(sis) | Diocese | Now Metropolitan Archdiocese of Ancona–Osimo |
Anglona Anglonen(sis) | Diocese | Now Diocese of Cassano all’Jonio and Titular Episcopal See of Anglona |
Anglona–Tursi Anglonen(sis)–Tursien(sis) | Diocese | Now Diocese of Cassano all’Jonio and Titular Episcopal See of Anglona |
Anglona–Tursi Anglonen(sis)–Tursien(sis) | Diocese | Now Diocese of Cassano all’Jonio and Titular Episcopal See of Anglona |
Anzio / Antium Antiaten(sis) | Diocese | Now Diocese of Albano and Titular Episcopal See of Anzio |
Apuania Apuanien(sis) | Diocese | Now Diocese of Massa Carrara–Pontremoli |
Apuania Apuanien(sis) | Diocese | Now Diocese of Massa Carrara–Pontremoli |
Aquaviva / Acquaviva Aquaviven(sis) | Diocese | Now Diocese of Santa Rufina and Titular Episcopal See of Aquaviva |
Aquileia Aquilegien(sis) / Aquileien(sis) | Patriarchate | Suppressed into |
Aquileia Aquilegien(sis) / Aquileien(sis) | Metr. Archdiocese | Suppressed into |
Aquileia Aquilegien(sis) / Aquileien(sis) | Diocese | Suppressed into |
Aquino Aquinaten(sis) | Diocese | Suppressed into Diocese of Sora–Cassino–Aquino–Pontecorvo |
Aquino Aquinaten(sis) | Diocese | Suppressed into Diocese of Sora–Cassino–Aquino–Pontecorvo |
Arezzo Arretin(us) | Diocese | Now Diocese of Arezzo–Cortona–Sansepolcro |
Arezzo Arretin(us) | Diocese | Now Diocese of Arezzo–Cortona–Sansepolcro |
Arezzo Arretin(us) | Diocese | Now Diocese of Arezzo–Cortona–Sansepolcro |
Arezzo Arretin(us) | Diocese | Now Diocese of Arezzo–Cortona–Sansepolcro |
Arezzo Arretin(us) | Diocese | Now Diocese of Arezzo–Cortona–Sansepolcro |
Arezzo Arretin(us) | Diocese | Now Diocese of Arezzo–Cortona–Sansepolcro |
Ariano Arianen(sis) Hirpin(us) | Diocese | Now Diocese of Ariano Irpino–Lacedonia |
Ariano Arianen(sis) Hirpin(us) | Diocese | Now Diocese of Ariano Irpino–Lacedonia |
Ariano Arianen(sis) Hirpin(us) | Diocese | Now Diocese of Ariano Irpino–Lacedonia |
Ariano Arianen(sis) Hirpin(us) | Diocese | Now Diocese of Ariano Irpino–Lacedonia |
Arna Arien(sis) | Diocese | Now Diocese of Assisi–Nocera Umbra–Gualdo Tadino and Titular Episcopal See of Arna |
Ascoli Satriano Asculan(us) Apuliæ | Diocese | Suppressed into Diocese of Cerignola–Ascoli Satriano |
Ascoli Satriano Asculan(us) Apuliæ | Diocese | Suppressed into Diocese of Cerignola–Ascoli Satriano |
Asola | Abbacy nullius | Suppressed into Diocese of Brescia, Diocese of Mantova |
Asolo / Acelum Acellen(sis) | Diocese | Now Diocese of Padova, Diocese of Treviso, Diocese of Vicenza and Titular Episcopal See of Asolo |
Assisi Assisien(sis) | Diocese | Now Diocese of Assisi–Nocera Umbra–Gualdo Tadino |
Assisi Assisien(sis) | Diocese | Now Diocese of Assisi–Nocera Umbra–Gualdo Tadino |
Assisi Assisien(sis) | Diocese | Now Diocese of Assisi–Nocera Umbra–Gualdo Tadino |
Atella / Atella Atellan(us) | Diocese | Now and Titular Episcopal See of Atella |
Atina | Diocese | Suppressed into Territorial Abbacy of Montecassino |
Atina | Provostry nullius | Suppressed into Territorial Abbacy of Montecassino |
Atri Atrien(sis) / Hatrien(sis) | Diocese | Suppressed into Diocese of Teramo–Atri |
Aveia Vestina | Diocese | Now and Titular Episcopal See of Aveia |
Bagnoregio Balneoregien(sis) | Diocese | Now Diocese of Viterbo and Titular Episcopal See of Bagnoregio |
Bagnoregio Balneoregien(sis) | Diocese | Now Diocese of Viterbo and Titular Episcopal See of Bagnoregio |
Bari Baren(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Bari–Bitonto |
Bari Baren(sis) | Diocese | Now Metropolitan Archdiocese of Bari–Bitonto |
Bari e Canosa Baren(sis) et Canusin(us) | Metr. Archdiocese | Now Metropolitan Archdiocese of Bari–Bitonto |
Barletta Barolen(sis) | Archdiocese | Suppressed into Archdiocese of Trani–Barletta–Bisceglie |
Beatissima Vergine Maria del Santissimo Rosario Beatissimæ Virginis Mariæ a SS.mo Rosario | Territorial Prelature | Now Territorial Prelature of Pompei |
Belcastro / Bellicastrum Bellicastren(sis) | Diocese | Now Archdiocese of Santa Severina and Titular Episcopal See of Belcastro |
Belluno Bellunen(sis) | Diocese | Now Diocese of Belluno–Feltre |
Belluno Bellunen(sis) | Diocese | Now Diocese of Belluno–Feltre |
Benevento Beneventan(us) | Diocese | Now Metropolitan Archdiocese of Benevento |
Bertinoro Brittinorien(sis) | Diocese | Suppressed into Diocese of Forlì–Bertinoro |
Bettona / Bettonium Bictonien(sis) | Diocese | Now Diocese of Assisi–Nocera Umbra–Gualdo Tadino and Titular Episcopal See of Bettona |
Bevagna / Mevania / Bevania Mevanien(sis) | Diocese | Now Archdiocese of Spoleto–Norcia and Titular Episcopal See of Bevagna |
Biccari Biccaren(sis) | Diocese | Now Titular Episcopal See of Biccari and Titular Episcopal See of Biccari |
Bisaccia Bisacien(sis) | Diocese | Suppressed into Archdiocese of Sant’Angelo dei Lombardi–Conza–Nusco–Bisaccia |
Bisarcio / Bisarchio Bisarchien(sis) | Diocese | Now and Titular Episcopal See of Bisarcio |
Bisceglie Vigilien(sis) | Diocese | Suppressed into Archdiocese of Trani–Barletta–Bisceglie |
Bisenzio Bisentin(us) | Diocese | Now and Titular Episcopal See of Bisenzio |
Bisignano Bisinianen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Cosenza–Bisignano |
Bisignano Bisinianen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Cosenza–Bisignano |
Bitetto / Bitettum Bitecten(sis) | Diocese | Now Metropolitan Archdiocese of Bari–Bitonto and Titular Episcopal See of Bitetto |
Bitonto Bituntin(us) | Diocese | Suppressed into Metropolitan Archdiocese of Bari–Bitonto |
Blanda / Blanda Julia Blandan(us) | Diocese | Now and Titular Episcopal See of Blanda |
Blera / Blera Bleran(us) | Diocese | Now Titular Episcopal See of Tuscania and Titular Episcopal See of Blera |
Bobbio Bobien(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Genova |
Bobbio Bobien(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Genova |
Bobbio–San Colombano Bobien(sis)–Sancti Columbani | Diocese | Suppressed into Metropolitan Archdiocese of Genova |
Boiano Boianen(sis) | Diocese | Now Metropolitan Archdiocese of Campobasso–Boiano |
Boiano–Campobasso Boianen(sis)–Campobassen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Campobasso–Boiano |
Boiano–Campobasso Boianen(sis)–Campobassen(sis) | Archdiocese | Now Metropolitan Archdiocese of Campobasso–Boiano |
Boiano–Campobasso Boianen(sis)–Campobassen(sis) | Diocese | Now Metropolitan Archdiocese of Campobasso–Boiano |
Bologna Bononien(sis) | Diocese | Now Metropolitan Archdiocese of Bologna |
Bolsena / Volsinium Volsinien(sis) | Diocese | Now Diocese of Orvieto–Todi and Titular Episcopal See of Bolsena |
Bomarzo | Diocese | Now Titular Episcopal See of Bagnoregio and Titular Episcopal See of Bomarzo |
Borgo San Donnino Burgi Sancti Domnini | Diocese | Now Diocese of Fidenza |
Borgo San Donnino Burgi Sancti Domnini | Provostry nullius | Now Diocese of Fidenza |
Bosa Bosanen(sis) | Diocese | Suppressed into Diocese of Alghero–Bosa |
Bosa Bosanen(sis) | Diocese | Suppressed into Diocese of Alghero–Bosa |
Bova Boven(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Reggio Calabria–Bova |
Bova Boven(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Reggio Calabria–Bova |
Bovino Bovinen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Foggia–Bovino |
Bovino Bovinen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Foggia–Bovino |
Bovino Bovinen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Foggia–Bovino |
Brescello | Diocese | Now and Titular Episcopal See of Brescello |
Brindisi Brundusin(us) | Metr. Archdiocese | Now Archdiocese of Brindisi–Ostuni |
Brindisi Brundusin(us) | Archdiocese | Now Archdiocese of Brindisi–Ostuni |
Brindisi Brundusin(us) | Diocese | Now Archdiocese of Brindisi–Ostuni |
Brindisi–Oria Brundusin(us)–Uritan(us) | Metr. Archdiocese | Now Archdiocese of Brindisi–Ostuni |
Brindisi–Oria Brundusin(us)–Uritan(us) | Diocese | Now Archdiocese of Brindisi–Ostuni |
Brixen / Bressanone Brixinen(sis) | Diocese | Now Diocese of Bolzano–Bressanone |
Brixen / Bressanone Brixinen(sis) | Diocese | Now Diocese of Bolzano–Bressanone |
Brugnato Brugnaten(sis) | Diocese | Suppressed into Diocese of La Spezia–Sarzana–Brugnato |
Brugnato Brugnaten(sis) | Diocese | Suppressed into Diocese of La Spezia–Sarzana–Brugnato |
Brugnato Brugnaten(sis) | Diocese | Suppressed into Diocese of La Spezia–Sarzana–Brugnato |
Brugnato Brugnaten(sis) | Diocese | Suppressed into Diocese of La Spezia–Sarzana–Brugnato |
Brugnato Brugnaten(sis) | Diocese | Suppressed into Diocese of La Spezia–Sarzana–Brugnato |
Bussento Buxentin(us) | Diocese | Now Titular Episcopal See of Capo della Foresta and Titular Episcopal See of Capo della Foresta |
Cagli Callien(sis) | Diocese | Suppressed into Diocese of Fano–Fossombrone–Cagli–Pergola |
Cagliari Calaritan(us) | Diocese | Now Metropolitan Archdiocese of Cagliari |
Caiazzo Caiacen(sis) / Caiatin(us) | Diocese | Suppressed into Diocese of Alife–Caiazzo |
Calvi Calven(sis) | Diocese | Suppressed into Diocese of Teano–Calvi |
Camerino Camerinen(sis) | Archdiocese | Now Archdiocese of Camerino–San Severino Marche |
Camerino Camerinen(sis) | Archdiocese | Now Archdiocese of Camerino–San Severino Marche |
Camerino Camerinen(sis) | Diocese | Now Archdiocese of Camerino–San Severino Marche |
Camerino Camerinen(sis) | Diocese | Now Archdiocese of Camerino–San Severino Marche |
Campagna Campanien(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Salerno–Campagna–Acerno |
Campagna Campanien(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Salerno–Campagna–Acerno |
Campli / Camplum Camplen(sis) | Diocese | Now Diocese of Teramo–Atri and Titular Episcopal See of Campli |
Canne / Cannæ Cannen(sis) | Diocese | Now Archdiocese of Trani–Barletta–Bisceglie and Titular Episcopal See of Canne |
Canosa Canusin(us) | Diocese | Now Diocese of Andria and Titular Episcopal See of Canosa |
Canosa Canusin(us) | Diocese | Now Diocese of Andria and Titular Episcopal See of Canosa |
Canosa Canusin(us) | Territorial Prelature | Now Diocese of Andria and Titular Episcopal See of Canosa |
Canosa Canusin(us) | Archpresbyterate nullius | Now Diocese of Andria and Titular Episcopal See of Canosa |
Caorle / Caprulæ Caprulan(us) | Diocese | Now Patriarchal See of Venezia and Titular Episcopal See of Caorle |
Capaccio Caputaquen(sis) | Diocese | Now Diocese of Vallo della Lucania |
Capaccio Caputaquen(sis) | Diocese | Now Diocese of Vallo della Lucania |
Capaccio–Diano Caputaquen(sis)–Dianen(sis) | Diocese | Now Diocese of Vallo della Lucania |
Capaccio–Vallo Caputaquen(sis)–Vallen(sis) | Diocese | Now Diocese of Vallo della Lucania |
Capri / Capreæ Capritan(us) | Diocese | Now Archdiocese of Sorrento–Castellammare di Stabia and Titular Episcopal See of Capri |
Capua Capuan(us) | Metr. Archdiocese | Now Archdiocese of Capua |
Capua Capuan(us) | Diocese | Now Archdiocese of Capua |
Cariati Cariaten(sis) | Diocese | Suppressed into Archdiocese of Rossano–Cariati |
Cariati Cariaten(sis) | Diocese | Suppressed into Archdiocese of Rossano–Cariati |
Carini / Hyccara / Hyccarum Carien(sis) | Diocese | Now Metropolitan Archdiocese of Reggio Calabria–Bova and Titular Episcopal See of Carini |
Carini / Hyccara / Hyccarum Carien(sis) | Diocese | Now Metropolitan Archdiocese of Reggio Calabria–Bova and Titular Episcopal See of Carini |
Carinola Carinolen(sis) | Diocese | Now Diocese of Sessa Aurunca and Titular Episcopal See of Carinola |
Carmeiano Carmeianen(sis) | Diocese | Now Titular Episcopal See of Carmeiano and Titular Episcopal See of Carmeiano |
Castellammare di Stabia Castri Maris / Stabien(sis) | Diocese | Suppressed into Archdiocese of Sorrento–Castellammare di Stabia |
Castellammare di Stabia Castri Maris / Stabien(sis) | Diocese | Suppressed into Archdiocese of Sorrento–Castellammare di Stabia |
Castello Castellan(us) | Diocese | Now and Titular Episcopal See of Castello |
Castro Castren(sis) | Diocese | Now and Titular Episcopal See of Castro di Sardegna |
Castro / Castrum Castren(sis) | Diocese | Now Archdiocese of Otranto and Titular Episcopal See of Castro di Puglia |
Castro del Lazio / Castrum in Tuscia | Diocese | Now and Titular Episcopal See of Castro |
Catania Catanen(sis) | Archdiocese | Now Metropolitan Archdiocese of Catania |
Catania Catanen(sis) | Diocese | Now Metropolitan Archdiocese of Catania |
Catania Catanen(sis) | Diocese | Now Metropolitan Archdiocese of Catania |
Catanzaro Catacen(sis) | Archdiocese | Now Metropolitan Archdiocese of Catanzaro–Squillace |
Catanzaro Catacen(sis) | Diocese | Now Metropolitan Archdiocese of Catanzaro–Squillace |
Catanzaro–Squillace Catacen(sis)–Squillacen(sis) | Archdiocese | Now Metropolitan Archdiocese of Catanzaro–Squillace |
Catanzaro–Squillace Catacen(sis)–Squillacen(sis) | Archdiocese | Now Metropolitan Archdiocese of Catanzaro–Squillace |
Caudium / Arpaia Caudin(us) | Diocese | Now Metropolitan Archdiocese of Benevento and Titular Episcopal See of Caudium |
Cava Caven(sis) | Diocese | Suppressed into Archdiocese of Amalfi–Cava de’ Tirreni |
Cava de’ Tirreni Caven(sis) | Diocese | Suppressed into Archdiocese of Amalfi–Cava de’ Tirreni |
Cava de’ Tirreni Caven(sis) | Diocese | Suppressed into Archdiocese of Amalfi–Cava de’ Tirreni |
Celano Cælanen(sis) | Diocese | Now Titular Episcopal See of Celano and Titular Episcopal See of Celano |
Ceneda Ceneten(sis) | Diocese | Now Diocese of Vittorio Veneto |
Cerenzia / Pumentum / Cerenza Geruntin(us) | Diocese | Now Diocese of Cariati and Titular Episcopal See of Cerenzia |
Cerignola Ceriniolen(sis) | Diocese | Now Diocese of Cerignola–Ascoli Satriano |
Cerignola Ceriniolen(sis) | Archpresbyterate nullius | Now Diocese of Cerignola–Ascoli Satriano |
Cerveteri / Cære / Caerae / Cervétero Cæretan(us) | Diocese | Now Diocese of Porto–Santa Rufina and Titular Episcopal See of Cerveteri |
Cervia Cervien(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Ravenna–Cervia |
Cervia Cervien(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Ravenna–Cervia |
Cesena Cæsenaten(sis) | Diocese | Now Diocese of Cesena–Sarsina |
Chieti Theatin(us) | Metr. Archdiocese | Now Metropolitan Archdiocese of Chieti–Vasto |
Chieti Theatin(us) | Metr. Archdiocese | Now Metropolitan Archdiocese of Chieti–Vasto |
Chieti Theatin(us) | Diocese | Now Metropolitan Archdiocese of Chieti–Vasto |
Chieti Theatin(us) | Diocese | Now Metropolitan Archdiocese of Chieti–Vasto |
Chiusi Clusin(us) | Diocese | Suppressed into Diocese of Montepulciano–Chiusi–Pienza |
Chiusi Clusin(us) | Diocese | Suppressed into Diocese of Montepulciano–Chiusi–Pienza |
Chiusi Clusin(us) | Diocese | Suppressed into Diocese of Montepulciano–Chiusi–Pienza |
Cingoli Cingulan(us) | Diocese | Now Diocese of Macerata and Titular Episcopal See of Cingoli |
Cirella | Diocese | Suppressed into |
Città della Pieve Civitatis Plebis | Diocese | Suppressed into Metropolitan Archdiocese of Perugia–Città della Pieve |
Città della Pieve Civitatis Plebis | Diocese | Suppressed into Metropolitan Archdiocese of Perugia–Città della Pieve |
Città della Pieve Civitatis Plebis | Diocese | Suppressed into Metropolitan Archdiocese of Perugia–Città della Pieve |
Città Ducale / Cittaducale Civitatis Ducalis | Diocese | Now Metropolitan Archdiocese of L’Aquila and Titular Episcopal See of Città Ducale |
Civita | Diocese | Suppressed into |
Civita–Tempio | Diocese | Suppressed into |
Civitate Civitaten(sis) | Diocese | Now and Titular Episcopal See of Civitate |
Civitavecchia / Centumcellae | Diocese | Now Titular Episcopal See of Tuscania |
Claterna / Claternæ Claternen(sis) | Diocese | Now Diocese of Imola and Titular Episcopal See of Claterna |
Colle di Val d’Elsa Collen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Siena–Colle di Val d’Elsa–Montalcino |
Colle di Val d’Elsa Collen(sis) | Collegiate nullius | Suppressed into Metropolitan Archdiocese of Siena–Colle di Val d’Elsa–Montalcino |
Comacchio Comaclen(sis) | Diocese | Suppressed into Archdiocese of Ferrara–Comacchio |
Comacchio Comaclen(sis) | Diocese | Suppressed into Archdiocese of Ferrara–Comacchio |
Concordia Concordien(sis) | Diocese | Now Diocese of Concordia–Pordenone |
Concordia Concordien(sis) | Diocese | Now Diocese of Concordia–Pordenone |
Conversano Conversanen(sis) | Diocese | Now Diocese of Conversano–Monopoli |
Conza Compsan(us) | Metr. Archdiocese | Suppressed into Archdiocese of Sant’Angelo dei Lombardi–Conza–Nusco–Bisaccia |
Conza Compsan(us) | Metr. Archdiocese | Suppressed into Archdiocese of Sant’Angelo dei Lombardi–Conza–Nusco–Bisaccia |
Conza Compsan(us) | Metr. Archdiocese | Suppressed into Archdiocese of Sant’Angelo dei Lombardi–Conza–Nusco–Bisaccia |
Conza Compsan(us) | Archdiocese | Suppressed into Archdiocese of Sant’Angelo dei Lombardi–Conza–Nusco–Bisaccia |
Conza Compsan(us) | Diocese | Suppressed into Archdiocese of Sant’Angelo dei Lombardi–Conza–Nusco–Bisaccia |
Corneto Cornetan(us) | Diocese | Suppressed into Diocese of Civitavecchia–Tarquinia |
Cornus / Sanaphar | Diocese | Suppressed into Titular Episcopal See of Tharros |
Cortona Cortonen(sis) | Diocese | Suppressed into Diocese of Arezzo–Cortona–Sansepolcro |
Cosenza Cosentin(us) | Metr. Archdiocese | Now Metropolitan Archdiocese of Cosenza–Bisignano |
Cosenza Cosentin(us) | Archdiocese | Now Metropolitan Archdiocese of Cosenza–Bisignano |
Cosenza Cosentin(us) | Archdiocese | Now Metropolitan Archdiocese of Cosenza–Bisignano |
Cosenza Cosentin(us) | Archdiocese | Now Metropolitan Archdiocese of Cosenza–Bisignano |
Cosenza Cosentin(us) | Archdiocese | Now Metropolitan Archdiocese of Cosenza–Bisignano |
Cosenza Cosentin(us) | Archdiocese | Now Metropolitan Archdiocese of Cosenza–Bisignano |
Cosenza Cosentin(us) | Diocese | Now Metropolitan Archdiocese of Cosenza–Bisignano |
Cosenza–Bisignano Cosentin(us)–Bisinianen(sis) | Archdiocese | Now Metropolitan Archdiocese of Cosenza–Bisignano |
Cosenza–Bisignano Cosentin(us)–Bisinianen(sis) | Archdiocese | Now Metropolitan Archdiocese of Cosenza–Bisignano |
Cosenza–Bisignano Cosentin(us)–Bisinianen(sis) | Archdiocese | Now Metropolitan Archdiocese of Cosenza–Bisignano |
Crotone Crotonen(sis) | Diocese | Now Archdiocese of Crotone–Santa Severina |
Crotone Crotonen(sis) | Diocese | Now Archdiocese of Crotone–Santa Severina |
Cuma / Cumæ Cuman(us) | Diocese | Now Diocese of Aversa, Diocese of Pozzuoli and Titular Episcopal See of Cuma |
Cuneo Cuneen(sis) | Diocese | Now Diocese of Cuneo–Fossano |
Cuneo Cuneen(sis) | Diocese | Now Diocese of Cuneo–Fossano |
Cuneo Cuneen(sis) | Diocese | Now Diocese of Cuneo–Fossano |
Diano–Teggiano Dianen(sis) | Diocese | Now Diocese of Teggiano–Policastro |
Dolia Dolien(sis) | Diocese | Now Metropolitan Archdiocese of Cagliari and Titular Episcopal See of Dolia |
Dragonara Dragonarien(sis) | Diocese | Now and Titular Episcopal See of Dragonara |
Eca / Æca Æcan(us) | Diocese | Now and Titular Episcopal See of Eca |
Eca / Æca Æcan(us) | Diocese | Now and Titular Episcopal See of Eca |
Eclena / Æclanum Æclanen(sis) | Diocese | Now and Titular Episcopal See of Eclano |
Egnazia Appula Egnatin(us) in Apulia | Diocese | Now Archdiocese of Brindisi–Ostuni and Titular Episcopal See of Egnazia Appula |
Equilio / Equilium Equilien(sis) | Diocese | Now Patriarchal See of Venezia and Titular Episcopal See of Equilio |
Eraclea / Heraclea Heracleen(sis) | Diocese | Now Patriarchal See of Grado and Titular Episcopal See of Eraclea |
Eraclea / Heraclea Heracleen(sis) | Diocese | Now Patriarchal See of Grado and Titular Episcopal See of Eraclea |
Eraclea / Heraclea Heracleen(sis) | Diocese | Now Patriarchal See of Grado and Titular Episcopal See of Eraclea |
Erdonia Herdonitan(us) | Diocese | Now Titular Episcopal See of Eca and Titular Episcopal See of Erdonia |
Fabriano Fabrianen(sis) | Diocese | Now Diocese of Fabriano–Matelica |
Faenza Faventin(us) | Diocese | Now Diocese of Faenza–Modigliana |
Faleri / Falerii Faleritan(us) | Diocese | Now and Titular Episcopal See of Faleri |
Falerone Faleronen(sis) | Diocese | Now Titular Episcopal See of Falerone and Titular Episcopal See of Falerone |
Fano Fanen(sis) | Diocese | Now Diocese of Fano–Fossombrone–Cagli–Pergola |
Farfa Farfen(sis) | Abbacy nullius | United with Diocese of Rieti |
Farfa Farfen(sis) | Abbacy nullius | United with Diocese of Rieti |
Fausania | Diocese | Suppressed into |
Feltre Feltren(sis) | Diocese | Suppressed into Diocese of Belluno–Feltre |
Feltre Feltren(sis) | Diocese | Suppressed into Diocese of Belluno–Feltre |
Feltre Feltren(sis) | Diocese | Suppressed into Diocese of Belluno–Feltre |
Ferentino Ferentin(us) | Diocese | Suppressed into Diocese of Frosinone–Veroli–Ferentino |
Ferento / Ferentium Ferentien(sis) | Diocese | Now Titular Episcopal See of Bomarzo and Titular Episcopal See of Ferento |
Fermo Firman(us) | Diocese | Now Metropolitan Archdiocese of Fermo |
Ferrara Ferrarien(sis) | Metr. Archdiocese | Now Archdiocese of Ferrara–Comacchio |
Ferrara Ferrarien(sis) | Metr. Archdiocese | Now Archdiocese of Ferrara–Comacchio |
Ferrara Ferrarien(sis) | Archdiocese | Now Archdiocese of Ferrara–Comacchio |
Ferrara Ferrarien(sis) | Archdiocese | Now Archdiocese of Ferrara–Comacchio |
Ferrara Ferrarien(sis) | Diocese | Now Archdiocese of Ferrara–Comacchio |
Fidene / Fidenæ Fidenaten(sis) | Diocese | Now Titular Episcopal See of Fidene and Titular Episcopal See of Fidene |
Fiorentino Florentinen(sis) | Diocese | Now Diocese of Lucera–Troia and Titular Episcopal See of Fiorentino |
Firenze / Florence Florentin(us) | Diocese | Now Metropolitan Archdiocese of Firenze |
Firenze / Florence Florentin(us) | Diocese | Now Metropolitan Archdiocese of Firenze |
Foggia Fodian(us) | Metr. Archdiocese | Now Metropolitan Archdiocese of Foggia–Bovino |
Foggia Fodian(us) | Diocese | Now Metropolitan Archdiocese of Foggia–Bovino |
Fondi / Fundi Fundan(us) | Diocese | Now Archdiocese of Gaeta and Titular Episcopal See of Fondi |
Fontevivo Sancti Bernardi Fontis Vivi | Abbacy nullius | United with Diocese of Parma |
Forconio / Forconium Forconien(sis) | Diocese | Now and Titular Episcopal See of Forconio |
Forlì Forolivien(sis) | Diocese | Now Diocese of Forlì–Bertinoro |
Forlimpopoli / Forum Popilii Foropopulien(sis) | Diocese | Now and Titular Episcopal See of Forlimpopoli |
Formia / Formiæ Formian(us) | Diocese | Now and Titular Episcopal See of Formia |
Formia / Formiæ Formian(us) | Diocese | Now and Titular Episcopal See of Formia |
Foro Flaminii / Forflamme | Diocese | Now Diocese of Foligno and Titular Episcopal See of Foro Flaminio |
Forum claudii | Diocese | Now Diocese of Sessa Aurunca and Titular Episcopal See of Carinola |
Forum Clodii | Diocese | Now Titular Episcopal See of Sutri and Titular Episcopal See of Monterano |
Forum Traiani / Foro Traiano | Diocese | Now and Titular Episcopal See of Fordongianus |
Fossano Fossanen(sis) | Diocese | Suppressed into Diocese of Cuneo–Fossano |
Fossombrone Forosempronien(sis) | Diocese | Suppressed into Diocese of Fano–Fossombrone–Cagli–Pergola |
Frigento / Frequentium Frequentin(us) | Diocese | Now Diocese of Avellino and Titular Episcopal See of Frigento |
Gabi / Gabii Gabin(us) | Diocese | Now Diocese of Palestrina and Titular Episcopal See of Gabi |
Gaeta Caietan(us) | Diocese | Now Archdiocese of Gaeta |
Galazia in Campania / Calatia Calatin(us) in Campania | Diocese | Now and Titular Episcopal See of Galazia in Campania |
Gallese / Gallesium Gallesin(us) | Diocese | Now Diocese of Civita Castellana and Titular Episcopal See of Gallese |
Gallipoli Gallipolitan(us) | Diocese | Suppressed into Diocese of Nardò–Gallipoli |
Gallura | Diocese | Suppressed into |
Galtellì Galtellinen(sis) | Diocese | Now and Titular Episcopal See of Galtellì |
Galtellì–Nuoro Galtellinen(sis)–Nuoren(sis) | Diocese | Now and Titular Episcopal See of Galtellì |
Genova Ianuen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Genova |
Genova Ianuen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Genova |
Genova Ianuen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Genova |
Genova Ianuen(sis) | Diocese | Now Metropolitan Archdiocese of Genova |
Genova Ianuen(sis) | Diocese | Now Metropolitan Archdiocese of Genova |
Genova–Bobbio / Genoa–Bobbio Ianuen(sis)–Bobien(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Genova |
Gerace | Diocese | Now Diocese of Locri–Gerace |
Gerace–Locri Hieracen(sis)–Locren(sis) | Diocese | Now Diocese of Locri–Gerace |
Giffoni Geophonen(sis) / Jovisfani | Diocese | Suppressed into Diocese of Acerno, Metropolitan Archdiocese of Salerno–Campagna–Acerno |
Giovinazzo Iuvenacen(sis) | Diocese | Suppressed into Diocese of Molfetta–Ruvo–Giovinazzo–Terlizzi |
Gorizia Goritien(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Ljubljana |
Gorizia Goritien(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Ljubljana |
Gorizia Goritien(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Ljubljana |
Gorizia e Gradisca Goritien(sis) et Gradiscan(us) | Metr. Archdiocese | Now Metropolitan Archdiocese of Ljubljana |
Gorizia e Gradisca Goritien(sis) et Gradiscan(us) | Metr. Archdiocese | Now Metropolitan Archdiocese of Ljubljana |
Gorizia e Gradisca Goritien(sis) et Gradiscan(us) | Diocese | Now Metropolitan Archdiocese of Ljubljana |
Gradisca Gradiscan(us) | Diocese | Now and Titular Archiepiscopal See of Gradisca |
Grado Graden(sis) | Patriarchate | Suppressed into |
Gravina Gravinen(sis) | Diocese | Suppressed into Diocese of Altamura–Gravina–Acquaviva delle Fonti |
Grumentum / Grumento Nova Grumentin(us) | Diocese | Now Titular Episcopal See of Grumentum and Titular Episcopal See of Grumentum |
Gualdo Tadino / Tadinum Tadinen(sis) | Diocese | Suppressed into Diocese of Nocera Umbra–Gualdo Tadino |
Guardialfiera Guardien(sis) | Diocese | Now Diocese of Termoli–Larino and Titular Episcopal See of Guardialfiera |
Guastalla Guastallen(sis) | Diocese | Suppressed into Diocese of Reggio Emilia–Guastalla |
Guastalla | Archpresbyterate nullius | Suppressed into Diocese of Reggio Emilia–Guastalla |
Irsina / Montepeloso Montis Pelusii | Diocese | Suppressed into Archdiocese of Matera–Irsina |
Isernia Æsernien(sis) | Diocese | Now Diocese of Isernia–Venafro |
Isola Insulen(sis) | Diocese | Now Archdiocese of Crotone–Santa Severina and Titular Episcopal See of Isola |
Italia continentale (Italo-Albanese Rite) | Ordinariate | Now Diocese of Lungro |
Italy | Military Vicariate | Now Military Ordinariate of Ordinariato Militare per l’Italia |
L’Aquila Aquilan(us) | Archdiocese | Now Metropolitan Archdiocese of L’Aquila |
L’Aquila Aquilan(us) | Diocese | Now Metropolitan Archdiocese of L’Aquila |
La Spezia Spedien(sis) | Diocese | Now Diocese of La Spezia–Sarzana–Brugnato |
Labico / Labicum Labican(us) | Diocese | Now and Titular Episcopal See of Labico |
Lacedonia Laquedonien(sis) | Diocese | Suppressed into Diocese of Ariano Irpino–Lacedonia |
Lacedonia Laquedonien(sis) | Diocese | Suppressed into Diocese of Ariano Irpino–Lacedonia |
Lanciano Lancianen(sis) | Metr. Archdiocese | Now Archdiocese of Lanciano–Ortona |
Lanciano Lancianen(sis) | Archdiocese | Now Archdiocese of Lanciano–Ortona |
Lanciano Lancianen(sis) | Diocese | Now Archdiocese of Lanciano–Ortona |
Lanciano Lancianen(sis) | Archpresbyterate nullius | Now Archdiocese of Lanciano–Ortona |
Larino Larinen(sis) | Diocese | Suppressed into Diocese of Termoli–Larino |
Larino Larinen(sis) | Diocese | Suppressed into Diocese of Termoli–Larino |
Larino Larinen(sis) | Diocese | Suppressed into Diocese of Termoli–Larino |
Larino Larinen(sis) | Diocese | Suppressed into Diocese of Termoli–Larino |
Lavello / Lavellum Lavellan(us) | Diocese | Now Diocese of Venosa and Titular Episcopal See of Lavello |
Lecce Lycien(sis) | Diocese | Now Metropolitan Archdiocese of Lecce |
Lentini / Leontium Leontin(us) | Diocese | Now Titular Episcopal See of Lentini and Titular Episcopal See of Lentini |
Lesina / Lesina Lesinen(sis) | Diocese | Now Diocese of Larino and Titular Episcopal See of Lesina |
Lettere / Litteræ Litteren(sis) | Diocese | Now Diocese of Castellammare di Stabia and Titular Episcopal See of Lettere |
Lettere–Gragnano | Diocese | Now Diocese of Castellammare di Stabia and Titular Episcopal See of Lettere |
Lilibeo / Lilybæum Lilybætan(us) | Diocese | Now Titular Episcopal See of Lilibeo and Titular Episcopal See of Lilibeo |
Lilibeo / Lilybæum Lilybætan(us) | Diocese | Now Titular Episcopal See of Lilibeo and Titular Episcopal See of Lilibeo |
Limosano Limosan(us) | Diocese | Now Metropolitan Archdiocese of Benevento and Titular Episcopal See of Limosano |
Lipari Liparen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Messina–Lipari–Santa Lucia del Mela |
Liternium Feniculen(sis) | Diocese | Suppressed into |
Locri | Diocese | Now Diocese of Locri–Gerace |
Locri Locren(sis) | Diocese | Now Diocese of Locri–Gerace |
Loreto Lauretum | Diocese | Now Titular Episcopal See of Recanati |
Loreto de Alma Domo Lauretana | Apostolic Administration | Now Titular Episcopal See of Recanati |
Loreto Lauretum | Apostolic Administration | Now Titular Episcopal See of Recanati |
Lorium Lorien(sis) | Diocese | Now and Titular Episcopal See of Lorium |
Lucca Lucen(sis) | Diocese | Now Archdiocese of Lucca |
Lucera Lucerin(us) | Diocese | Now Diocese of Lucera–Troia |
Lucera Lucerin(us) | Diocese | Now Diocese of Lucera–Troia |
Luni Lunen(sis) | Diocese | Now Diocese of La Spezia–Sarzana–Brugnato and Titular Episcopal See of Luni |
Luni Lunen(sis) | Diocese | Now Diocese of La Spezia–Sarzana–Brugnato and Titular Episcopal See of Luni |
Luni Lunen(sis) | Diocese | Now Diocese of La Spezia–Sarzana–Brugnato and Titular Episcopal See of Luni |
Luni Lunen(sis) | Diocese | Now Diocese of La Spezia–Sarzana–Brugnato and Titular Episcopal See of Luni |
Luni–Sarzana Lunen(sis)–Sarzanen(sis) | Diocese | Now Diocese of La Spezia–Sarzana–Brugnato and Titular Episcopal See of Luni |
Luni–Sarzana Lunen(sis)–Sarzanen(sis) | Diocese | Now Diocese of La Spezia–Sarzana–Brugnato and Titular Episcopal See of Luni |
Luni–Sarzana Lunen(sis)–Sarzanen(sis) | Diocese | Now Diocese of La Spezia–Sarzana–Brugnato and Titular Episcopal See of Luni |
Luni–Sarzana Lunen(sis)–Sarzanen(sis) | Diocese | Now Diocese of La Spezia–Sarzana–Brugnato and Titular Episcopal See of Luni |
Macerata Maceraten(sis) | Diocese | Now Diocese of Macerata |
Macerata Maceraten(sis) | Diocese | Now Diocese of Macerata |
Macerata Maceraten(sis) | Diocese | Now Diocese of Macerata |
Macerata–Tolentino–Recanati–Cingoli–Treia Maceraten(sis)–Tolentin(us)–Recineten(sis)–Cingulan(us)–Treien(sis) | Diocese | Now Diocese of Macerata |
Malamocco Methamaucen(sis) | Diocese | Now and Titular Episcopal See of Malamocco |
Malvito | Diocese | Suppressed into |
Manfredonia Sipontin(us) | Metr. Archdiocese | Now Archdiocese of Manfredonia–Vieste–San Giovanni Rotondo |
Manfredonia Sipontin(us) | Archdiocese | Now Archdiocese of Manfredonia–Vieste–San Giovanni Rotondo |
Manfredonia–Vieste Sipontin(us)–Vestan(us) | Archdiocese | Now Archdiocese of Manfredonia–Vieste–San Giovanni Rotondo |
Marsi Marsorum | Diocese | Now Diocese of Avezzano |
Marsico Nuovo Marsicen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Potenza–Muro Lucano–Marsico Nuovo |
Martirano / Martorano / Martoranum Marturanen(sis) | Diocese | Now Diocese of Lamezia Terme and Titular Episcopal See of Martirano |
Massa Massen(sis) | Diocese | Now Diocese of Massa Carrara–Pontremoli |
Massa Carrara Massen(sis) | Diocese | Now Diocese of Massa Carrara–Pontremoli |
Massa Carrara Massen(sis) | Abbacy nullius | Now Diocese of Massa Carrara–Pontremoli |
Massa Lubrense Massalubren(sis) | Diocese | Now Archdiocese of Sorrento–Castellammare di Stabia and Titular Episcopal See of Massa Lubrense |
Massa Marittima e Populonia Massan(us) et Populonien(sis) | Diocese | Now Diocese of Massa Marittima–Piombino |
Massa Marittima e Populonia Massan(us) et Populonien(sis) | Diocese | Now Diocese of Massa Marittima–Piombino |
Massa Marittima e Populonia Massan(us) et Populonien(sis) | Diocese | Now Diocese of Massa Marittima–Piombino |
Matelica Mathelicen(sis) | Diocese | Suppressed into Diocese of Fabriano–Matelica |
Matera Materanen(sis) | Metr. Archdiocese | Now Archdiocese of Acerenza |
Matera Materanen(sis) | Archdiocese | Now Archdiocese of Acerenza |
Matera Materanen(sis) | Diocese | Now Archdiocese of Acerenza |
Matera Materanen(sis) | Diocese | Now Archdiocese of Acerenza |
Matera Materanen(sis) | Diocese | Now Archdiocese of Acerenza |
Melfi Melphien(sis) | Diocese | Now Diocese of Melfi–Rapolla–Venosa |
Meria | Diocese | Suppressed into Diocese of Mileto–Nicotera–Tropea |
Messina Messanen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Messina–Lipari–Santa Lucia del Mela |
Messina Messanen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Messina–Lipari–Santa Lucia del Mela |
Messina Messanen(sis) | Diocese | Now Metropolitan Archdiocese of Messina–Lipari–Santa Lucia del Mela |
Milano / Milan (Ambrosian Rite) Mediolanen(sis) | Diocese | Now Metropolitan Archdiocese of Milano |
Milazzo Mylan(us) | Diocese | Now Titular Episcopal See of Milazzo and Titular Episcopal See of Milazzo |
Mileto Mileten(sis) | Diocese | Now Diocese of Mileto–Nicotera–Tropea |
Mileto Mileten(sis) | Diocese | Now Diocese of Mileto–Nicotera–Tropea |
Mileto Mileten(sis) | Diocese | Now Diocese of Mileto–Nicotera–Tropea |
Minervino / Minerbium | Diocese | Now Diocese of Andria and Titular Episcopal See of Minervino Murge |
Minori / Minora Minoren(sis) | Diocese | Now Archdiocese of Amalfi–Cava de’ Tirreni and Titular Episcopal See of Minori |
Minturno / Minturnæ Minturnen(sis) | Diocese | Now Archdiocese of Gaeta and Titular Episcopal See of Minturno |
Miseno / Misenum Misenen(sis) | Diocese | Now Titular Episcopal See of Cuma and Titular Episcopal See of Miseno |
Modena Mutinen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Modena–Nonantola |
Modena Mutinen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Modena–Nonantola |
Modena Mutinen(sis) | Diocese | Now Metropolitan Archdiocese of Modena–Nonantola |
Modena Mutinen(sis) | Diocese | Now Metropolitan Archdiocese of Modena–Nonantola |
Modigliana Mutilen(sis) | Diocese | Suppressed into Diocese of Faenza–Modigliana, Diocese of Forlì–Bertinoro |
Modigliana Mutilen(sis) | Diocese | Suppressed into Diocese of Faenza–Modigliana, Diocese of Forlì–Bertinoro |
Molfetta Melphicten(sis) | Diocese | Now Diocese of Molfetta–Ruvo–Giovinazzo–Terlizzi |
Monopoli Monopolitan(us) | Diocese | Suppressed into Diocese of Conversano–Monopoli |
Monreale Montis Regalis | Metr. Archdiocese | Now Archdiocese of Monreale |
Monreale Montis Regalis | Metr. Archdiocese | Now Archdiocese of Monreale |
Montalcino Ilcinen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Siena–Colle di Val d’Elsa–Montalcino |
Montalcino Ilcinen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Siena–Colle di Val d’Elsa–Montalcino |
Montalto Montis Alti | Diocese | Suppressed into Diocese of San Benedetto del Tronto–Ripatransone–Montalto |
Montecassino Montis Cassini | Diocese | Now Diocese of Aquino |
Montecassino Montis Cassini | Diocese | Now Diocese of Aquino |
Montecorvino Montis Corbini | Diocese | Now Diocese of Lucera–Troia and Titular Episcopal See of Montecorvino |
Montefeltro Feretran(us) | Diocese | Now Diocese of San Marino–Montefeltro |
Montefeltro Feretran(us) | Diocese | Now Diocese of San Marino–Montefeltro |
Montefiascone / Mons Faliscus Faliscodunen(sis) | Diocese | Now Diocese of Viterbo and Titular Episcopal See of Montefiascone |
Montemarano Montis Marani | Diocese | Now Diocese of Nusco and Titular Episcopal See of Montemarano |
Montepeloso Montis Pelusii | Diocese | Suppressed into Archdiocese of Matera–Irsina |
Montepulciano Montis Politiani | Diocese | Now Diocese of Montepulciano–Chiusi–Pienza |
Montepulciano Montis Politiani | Collegiate nullius | Now Diocese of Montepulciano–Chiusi–Pienza |
Monterano / Forum Clodii Forocodien(sis) | Diocese | Now Titular Episcopal See of Sutri and Titular Episcopal See of Monterano |
Monteverde Montis Viridis | Diocese | Now Archdiocese of Conza, Archdiocese of Sant’Angelo dei Lombardi–Conza–Nusco–Bisaccia and Titular Episcopal See of Monteverde |
Mottola / Motula Motulen(sis) | Diocese | Now Diocese of Castellaneta and Titular Episcopal See of Mottola |
Muro Lucano Muran(us) | Diocese | Suppressed into Metropolitan Archdiocese of Potenza–Muro Lucano–Marsico Nuovo |
Muro Lucano Muran(us) | Diocese | Suppressed into Metropolitan Archdiocese of Potenza–Muro Lucano–Marsico Nuovo |
Muro Lucano Muran(us) | Diocese | Suppressed into Metropolitan Archdiocese of Potenza–Muro Lucano–Marsico Nuovo |
Napoli / Naples Neapolitan(us) | Diocese | Now Metropolitan Archdiocese of Napoli |
Nardò Neritonen(sis) | Diocese | Now Diocese of Nardò–Gallipoli |
Nardò Neritonen(sis) | Abbacy nullius | Now Diocese of Nardò–Gallipoli |
Narni Narnien(sis) | Diocese | Suppressed into Diocese of Terni–Narni–Amelia |
Narni Narnien(sis) | Diocese | Suppressed into Diocese of Terni–Narni–Amelia |
Nazareth in Barletta Nazaren(sis) | Metr. Archdiocese | Suppressed into Archdiocese of Trani–Barletta–Bisceglie |
Nepi Nepesin(us) | Diocese | Now Diocese of Civita Castellana and Titular Episcopal See of Nepi |
Nicastro Neocastren(sis) | Diocese | Now Diocese of Lamezia Terme |
Nicastro Neocastren(sis) | Diocese | Now Diocese of Lamezia Terme |
Nicotera Nicotrien(sis) | Diocese | Suppressed into Diocese of Mileto–Nicotera–Tropea |
Nicotera Nicotrien(sis) | Diocese | Suppressed into Diocese of Mileto–Nicotera–Tropea |
Nocera de’ Pagani Nucerin(us) Paganorum | Diocese | Now Diocese of Cava de’ Tirreni |
Nocera de’ Pagani Nucerin(us) Paganorum | Diocese | Now Diocese of Cava de’ Tirreni |
Nocera Umbra Nucerin(us) | Diocese | Suppressed into Diocese of Assisi–Nocera Umbra–Gualdo Tadino |
Nocera Umbra Nucerin(us) | Diocese | Suppressed into Diocese of Assisi–Nocera Umbra–Gualdo Tadino |
Nocera Umbra–Gualdo Tadino Nucerin(us)–Tadinen(sis) | Diocese | Suppressed into Diocese of Assisi–Nocera Umbra–Gualdo Tadino |
Nocera Umbra–Gualdo Tadino Nucerin(us)–Tadinen(sis) | Diocese | Suppressed into Diocese of Assisi–Nocera Umbra–Gualdo Tadino |
Nocera Umbra–Gualdo Tadino Nucerin(us)–Tadinen(sis) | Diocese | Suppressed into Diocese of Assisi–Nocera Umbra–Gualdo Tadino |
Noli Naulen(sis) | Diocese | Suppressed into Diocese of Savona–Noli |
Nomento / Nomentum Nomentan(us) | Diocese | Now Titular Episcopal See of Vescovìo and Titular Episcopal See of Nomento |
Nonantola Sancti Silvestri de Nonantula | Abbacy nullius | Suppressed into Metropolitan Archdiocese of Modena–Nonantola |
Nonantola Sancti Silvestri de Nonantula | Abbacy nullius | Suppressed into Metropolitan Archdiocese of Modena–Nonantola |
Nonantola Sancti Silvestri de Nonantula | Abbacy nullius | Suppressed into Metropolitan Archdiocese of Modena–Nonantola |
Norcia Nursin(us) | Diocese | Suppressed into Archdiocese of Spoleto–Norcia |
Norcia Nursin(us) | Diocese | Suppressed into Archdiocese of Spoleto–Norcia |
Norcia Nursin(us) | Diocese | Suppressed into Archdiocese of Spoleto–Norcia |
Norma | Diocese | Suppressed into Diocese of Velletri–Segni |
Nuceria | Diocese | Now Diocese of Cava de’ Tirreni |
Numana / Umana Numanen(sis) | Diocese | Now Metropolitan Archdiocese of Ancona–Osimo and Titular Episcopal See of Numana |
Nusco Nuscan(us) | Diocese | Suppressed into Archdiocese of Sant’Angelo dei Lombardi–Conza–Nusco–Bisaccia |
Oderzo / Opitergium Opitergin(us) | Diocese | Now and Titular Episcopal See of Oderzo |
Oderzo / Opitergium Opitergin(us) | Diocese | Now and Titular Episcopal See of Oderzo |
Ofena / Aufinium Aufenen(sis) | Diocese | Now Diocese of Valva and Titular Episcopal See of Ofena |
Ogliastra Oleastren(sis) | Diocese | Now Diocese of Lanusei |
Olivolo / Rialto | Diocese | Now and Titular Episcopal See of Castello |
Oppido Mamertina Oppiden(sis) | Diocese | Now Diocese of Oppido Mamertina–Palmi |
Orte / Hortanum Hortan(us) | Diocese | Now Diocese of Civita Castellana and Titular Episcopal See of Orte |
Ortona Ortonen(sis) | Diocese | Suppressed into Archdiocese of Lanciano–Ortona |
Ortona Ortonen(sis) | Diocese | Suppressed into Archdiocese of Lanciano–Ortona |
Orvieto Urbevetan(us) | Diocese | Now Diocese of Orvieto–Todi |
Orvieto Urbevetan(us) | Diocese | Now Diocese of Orvieto–Todi |
Orvieto Urbevetan(us) | Diocese | Now Diocese of Orvieto–Todi |
Osimo Auximan(us) | Diocese | Suppressed into Metropolitan Archdiocese of Ancona–Osimo |
Osimo Auximan(us) | Diocese | Suppressed into Metropolitan Archdiocese of Ancona–Osimo |
Osimo Auximan(us) | Diocese | Suppressed into Metropolitan Archdiocese of Ancona–Osimo |
Osimo Auximan(us) | Diocese | Suppressed into Metropolitan Archdiocese of Ancona–Osimo |
Osimo e Cingoli Auximan(us) et Cingulan(us) | Diocese | Suppressed into Metropolitan Archdiocese of Ancona–Osimo |
Ostia Ostien(sis) | Diocese | Now Diocese of Ostia |
Ostia–Velletri Ostien(sis)–Velitern(us) | Diocese | Now Diocese of Ostia |
Ostra Ostren(sis) | Diocese | Now Diocese of Senigallia and Titular Episcopal See of Ostra |
Ostuni Ostunen(sis) | Diocese | Suppressed into Archdiocese of Brindisi–Ostuni |
Otranto Hydruntin(us) | Metr. Archdiocese | Now Archdiocese of Otranto |
Otranto Hydruntin(us) | Diocese | Now Archdiocese of Otranto |
Otricoli / Otriculum Otriculan(us) | Diocese | Now Diocese of Narni and Titular Episcopal See of Otricoli |
Ottana / Othana Othanen(sis) | Diocese | Now and Titular Episcopal See of Ottana |
Palermo Panormitan(us) | Diocese | Now Metropolitan Archdiocese of Palermo |
Passo Corese / Cures / Curi / Cures Sabinorum Curen(sis) | Diocese | Now Titular Episcopal See of Nomento and Titular Episcopal See of Passo Corese |
Penne Pinnen(sis) | Diocese | Now Metropolitan Archdiocese of Pescara–Penne |
Penne e Pescara Pinnen(sis) et Piscarien(sis) | Diocese | Now Metropolitan Archdiocese of Pescara–Penne |
Penne e Pescara Pinnen(sis) et Piscarien(sis) | Diocese | Now Metropolitan Archdiocese of Pescara–Penne |
Pergola Pergulan(us) | Diocese | Suppressed into Diocese of Fano–Fossombrone–Cagli–Pergola |
Perugia Perusin(us) | Metr. Archdiocese | Now Metropolitan Archdiocese of Perugia–Città della Pieve |
Perugia Perusin(us) | Archdiocese | Now Metropolitan Archdiocese of Perugia–Città della Pieve |
Perugia Perusin(us) | Diocese | Now Metropolitan Archdiocese of Perugia–Città della Pieve |
Perugia Perusin(us) | Diocese | Now Metropolitan Archdiocese of Perugia–Città della Pieve |
Pesaro Pisauren(sis) | Diocese | Now Metropolitan Archdiocese of Pesaro |
Pescia Piscien(sis) | Territorial Prelature | Now Diocese of Pescia |
Pesto / Paëstum | Diocese | Now and Titular Episcopal See of Pesto |
Piacenza | Diocese | Now Diocese of Piacenza–Bobbio |
Piana dei Greci (Italo-Albanese Rite) Pianen(sis) Græcorum | Diocese | Now Diocese of Piana degli Albanesi |
Pienza Pientin(us) | Diocese | Suppressed into Diocese of Montepulciano–Chiusi–Pienza |
Pienza Pientin(us) | Diocese | Suppressed into Diocese of Montepulciano–Chiusi–Pienza |
Pienza Pientin(us) | Diocese | Suppressed into Diocese of Montepulciano–Chiusi–Pienza |
Pienza Pientin(us) | Diocese | Suppressed into Diocese of Montepulciano–Chiusi–Pienza |
Pienza Pientin(us) | Diocese | Suppressed into Diocese of Montepulciano–Chiusi–Pienza |
Pisa Pisan(us) | Diocese | Now Metropolitan Archdiocese of Pisa |
Pitinum | Diocese | Suppressed into Titular Episcopal See of Amiterno |
Pitinum Merges | Diocese | Suppressed into Diocese of Fano–Fossombrone–Cagli–Pergola |
Plestia / Plestia Plestien(sis) | Diocese | Now Diocese of Foligno, Diocese of Nocera Umbra–Gualdo Tadino, Archdiocese of Spoleto–Norcia and Titular Episcopal See of Plestia |
Ploaghe Plovacen(sis) | Diocese | Now Metropolitan Archdiocese of Sassari and Titular Episcopal See of Ploaghe |
Poggio Mirteto Mandelen(sis) | Diocese | Suppressed into Diocese of Rieti, Diocese of Sabina–Poggio Mirteto |
Policastro Policastren(sis) | Diocese | Suppressed into Diocese of Teggiano–Policastro |
Polignano / Polinianum Polinianen(sis) | Diocese | Now Diocese of Monopoli and Titular Episcopal See of Polignano |
Pollentia | Diocese | Suppressed into Archdiocese of Camerino–San Severino Marche |
Pomposa Pomposæ | Abbacy nullius | United with |
Pontecorvo Pontiscurvi | Diocese | Suppressed into Diocese of Sora–Cassino–Aquino–Pontecorvo |
Pontremoli Apuan(us) | Diocese | Suppressed into Diocese of Massa Carrara–Pontremoli |
Pontremoli Apuan(us) | Diocese | Suppressed into Diocese of Massa Carrara–Pontremoli |
Pontremoli Apuan(us) | Diocese | Suppressed into Diocese of Massa Carrara–Pontremoli |
Populonia Populonien(sis) | Diocese | Now and Titular Episcopal See of Populonia |
Porto Portuen(sis) | Diocese | Now Diocese of Porto–Santa Rufina |
Porto Portuen(sis) | Diocese | Now Diocese of Porto–Santa Rufina |
Porto e Santa Rufina Portuen(sis) et Sanctæ Rufinæ | Diocese | Now Diocese of Porto–Santa Rufina |
Porto e Santa Rufina Portuen(sis) et Sanctæ Rufinæ | Diocese | Now Diocese of Porto–Santa Rufina |
Porto e Santa Rufina Portuen(sis) et Sanctæ Rufinæ | Diocese | Now Diocese of Porto–Santa Rufina |
Porto e Santa Rufina Portuen(sis) et Sanctæ Rufinæ | Diocese | Now Diocese of Porto–Santa Rufina |
Potenza Potentin(us) | Metr. Archdiocese | Now Metropolitan Archdiocese of Potenza–Muro Lucano–Marsico Nuovo |
Potenza Potentin(us) | Archdiocese | Now Metropolitan Archdiocese of Potenza–Muro Lucano–Marsico Nuovo |
Potenza Potentin(us) | Diocese | Now Metropolitan Archdiocese of Potenza–Muro Lucano–Marsico Nuovo |
Potenza Picena / Potentia in Piceno Potentin(us) in Piceno | Diocese | Now Titular Episcopal See of Potenza Picena and Titular Episcopal See of Potenza Picena |
Priverno / Piperno Privernen(sis) | Diocese | Suppressed into Diocese of Latina–Terracina–Sezze–Priverno |
Priverno / Piperno Privernen(sis) | Diocese | Suppressed into Diocese of Latina–Terracina–Sezze–Priverno |
Rapolla Rapollen(sis) | Diocese | Suppressed into Diocese of Melfi–Rapolla–Venosa |
Rapolla Rapollen(sis) | Diocese | Suppressed into Diocese of Melfi–Rapolla–Venosa |
Ravello Rebellen(sis) | Diocese | Now Archdiocese of Amalfi–Cava de’ Tirreni and Titular Episcopal See of Ravello |
Ravenna Ravennaten(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Ravenna–Cervia |
Ravenna Ravennaten(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Ravenna–Cervia |
Ravenna Ravennaten(sis) | Diocese | Now Metropolitan Archdiocese of Ravenna–Cervia |
Recanati Recineten(sis) | Diocese | Now Diocese of Macerata and Titular Episcopal See of Recanati |
Recanati Recineten(sis) | Diocese | Now Diocese of Macerata and Titular Episcopal See of Recanati |
Recanati Recineten(sis) | Diocese | Now Diocese of Macerata and Titular Episcopal See of Recanati |
Recanati Recineten(sis) | Diocese | Now Diocese of Macerata and Titular Episcopal See of Recanati |
Recanati Recineten(sis) | Diocese | Now Diocese of Macerata and Titular Episcopal See of Recanati |
Recanati–Loreto Recineten(sis)–de Alma Domo Lauretana | Diocese | Now Diocese of Macerata and Titular Episcopal See of Recanati |
Reggio Calabria Rheginen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Reggio Calabria–Bova |
Reggio Calabria Rheginen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Reggio Calabria–Bova |
Reggio Calabria Rheginen(sis) | Diocese | Now Metropolitan Archdiocese of Reggio Calabria–Bova |
Reggio Emilia Regien(sis) in Æmilia | Diocese | Now Diocese of Reggio Emilia–Guastalla |
Reggio Emilia Regien(sis) in Æmilia | Diocese | Now Diocese of Reggio Emilia–Guastalla |
Reggio Emilia Regien(sis) in Æmilia | Diocese | Now Diocese of Reggio Emilia–Guastalla |
Reggio Emilia Regien(sis) in Æmilia | Diocese | Now Diocese of Reggio Emilia–Guastalla |
Reggio Emilia Regien(sis) in Æmilia | Diocese | Now Diocese of Reggio Emilia–Guastalla |
Ripatransone Ripan(us) | Diocese | Now Diocese of San Benedetto del Tronto–Ripatransone–Montalto |
Ripatransone–San Benedetto del Tronto Ripan(us)–Sancti Benedicti ad Truentum | Diocese | Now Diocese of San Benedetto del Tronto–Ripatransone–Montalto |
Rosella Rosilien(sis) | Diocese | Now Titular Episcopal See of Rosella and Titular Episcopal See of Rosella |
Roselle / Rusellæ Rusellen(sis) | Diocese | Now and Titular Episcopal See of Roselle |
Roselle / Rusellæ Rusellen(sis) | Diocese | Now and Titular Episcopal See of Roselle |
Rossano Rossanen(sis) | Archdiocese | Now Archdiocese of Rossano–Cariati |
Rossano Rossanen(sis) | Archdiocese | Now Archdiocese of Rossano–Cariati |
Rossano Rossanen(sis) | Diocese | Now Archdiocese of Rossano–Cariati |
Ruvo Ruben(sis) | Diocese | Suppressed into Diocese of Molfetta–Ruvo–Giovinazzo–Terlizzi |
Sabiana / Sebana | Diocese | Now and Titular Episcopal See of Sabiona |
Sabina Sabinen(sis) | Diocese | Now Diocese of Sabina–Poggio Mirteto |
Sabina Sabinen(sis) | Diocese | Now Diocese of Sabina–Poggio Mirteto |
Sabina e Poggio Mirteto Sabinen(sis) et Mandelen(sis) | Diocese | Now Diocese of Sabina–Poggio Mirteto |
Sacra di San Michele | Abbacy nullius | Suppressed into Metropolitan Archdiocese of Torino |
Sala Consilina / Oppidum Consilinum Consilin(us) | Diocese | Now Titular Episcopal See of Pesto and Titular Episcopal See of Sala Consilina |
Salerno Salernitan(us) | Metr. Archdiocese | Now Metropolitan Archdiocese of Salerno–Campagna–Acerno |
Salerno Salernitan(us) | Metr. Archdiocese | Now Metropolitan Archdiocese of Salerno–Campagna–Acerno |
Salerno Salernitan(us) | Diocese | Now Metropolitan Archdiocese of Salerno–Campagna–Acerno |
Salpi / Salapia Salapin(us) | Diocese | Now Archdiocese of Trani–Barletta–Bisceglie and Titular Episcopal See of Salpi |
San Colombano Sancti Columbani | Abbacy nullius | United with Diocese of Bobbio–San Colombano |
San Colombano Sancti Columbani | Abbacy nullius | United with Diocese of Bobbio–San Colombano |
San Cristoforo di Castel Durante | Abbacy nullius | Suppressed into Archdiocese of Urbino–Urbania–Sant’Angelo in Vado |
San Giovanni in Venere | Abbacy nullius | Suppressed into Metropolitan Archdiocese of Chieti–Vasto |
San Giovanni in Venere | Abbacy nullius | Suppressed into Metropolitan Archdiocese of Chieti–Vasto |
San Giusto di Susa | Abbacy nullius | Now Metropolitan Archdiocese of Torino |
San Leone Sancti Leonis | Diocese | Now Archdiocese of Santa Severina and Titular Episcopal See of San Leone |
San Marco Sancti Marci | Diocese | Now Diocese of San Marco Argentano–Scalea |
San Marco Sancti Marci | Diocese | Now Diocese of San Marco Argentano–Scalea |
San Martino al Monte Cimino Sancti Martini ad Montem Ciminum | Abbacy nullius | United with Diocese of Viterbo |
San Michele Arcangelo di Montescaglioso Sancti Angeli Montis Caveosi | Abbacy nullius | United with Archdiocese of Acerenza |
San Paolo fuori le Mura / Saint Paul Outside the Walls Sancti Pauli de Urbe | Territorial Abbacy | Suppressed into Papal See of Roma |
San Paolo fuori le Mura / Saint Paul Outside the Walls Sancti Pauli de Urbe | Territorial Abbacy | Suppressed into Papal See of Roma |
San Paolo fuori le Mura / Saint Paul Outside the Walls Sancti Pauli de Urbe | Territorial Abbacy | Suppressed into Papal See of Roma |
San Paolo fuori le Mura / Saint Paul Outside the Walls Sancti Pauli de Urbe | Territorial Abbacy | Suppressed into Papal See of Roma |
San Pietro Apostolo di Guastalla | Abbacy nullius | Suppressed into Diocese of Reggio Emilia–Guastalla |
San Pietro di Novalesa | Abbacy nullius | Suppressed into Diocese of Susa |
San Pietro di Novalesa | Abbacy nullius | Suppressed into Diocese of Susa |
San Salvatore Maggiore Sanctissimi Salvatoris Maioris | Abbacy nullius | United with Diocese of Rieti |
San Severino Sancti Severini in Piceno | Diocese | Suppressed into Archdiocese of Camerino–San Severino Marche |
Sansepolcro / Borgo San Sepolcro Biturgen(sis) / Burgi Sancti Sepulchri | Diocese | Suppressed into Diocese of Arezzo–Cortona–Sansepolcro |
Sansepolcro / Borgo San Sepolcro Biturgen(sis) / Burgi Sancti Sepulchri | Diocese | Suppressed into Diocese of Arezzo–Cortona–Sansepolcro |
Sansepolcro | Abbacy nullius | Suppressed into Diocese of Arezzo–Cortona–Sansepolcro |
Sant’Agata de’ Goti Sanctæ Agathæ Gothorum | Diocese | Suppressed into Diocese of Cerreto Sannita–Telese–Sant’Agata de’ Goti |
Sant’Agata de’ Goti Sanctæ Agathæ Gothorum | Diocese | Suppressed into Diocese of Cerreto Sannita–Telese–Sant’Agata de’ Goti |
Sant’Angelo dei Lombardi Sancti Angeli de Lombardis | Diocese | Now Archdiocese of Sant’Angelo dei Lombardi–Conza–Nusco–Bisaccia |
Sant’Angelo in Vado / Tifernum Metaurense | Diocese | Suppressed into Archdiocese of Urbino–Urbania–Sant’Angelo in Vado |
Santa Ciriaca | Diocese | Now Diocese of Locri–Gerace |
Santa Giusta Sanctæ Iustæ | Diocese | Now Metropolitan Archdiocese of Oristano and Titular Episcopal See of Santa Giusta |
Santa Lucia del Mela Sanctæ Luciæ | Territorial Prelature | Suppressed into Metropolitan Archdiocese of Messina–Lipari–Santa Lucia del Mela |
Santa Maria ad Abbadia Alpina | Abbacy nullius | Suppressed into Diocese of Saluzzo |
Santa Maria Assunta di Carpi | Archpresbyterate nullius | Now Diocese of Carpi |
Santa Maria di Polsi Sanctæ Mariæ de Pulsi | Abbacy nullius | United with Diocese of Locri–Gerace |
Santa Maria di Sesto | Abbacy nullius | Suppressed into Diocese of Concordia–Pordenone |
Santa Maria di Vangadizza Sanctæ Mariæ de Vangaditia | Abbacy nullius | Suppressed into Diocese of Adria–Rovigo |
Santa Maria Nuova di Monreale | Abbacy nullius | Now Archdiocese of Monreale |
Santa Rufina Sanctæ Rufinæ | Diocese | Suppressed into Diocese of Porto–Santa Rufina |
Santa Rufina Sanctæ Rufinæ | Diocese | Suppressed into Diocese of Porto–Santa Rufina |
Santa Severina Sanctæ Severinæ | Metr. Archdiocese | Suppressed into Archdiocese of Crotone–Santa Severina |
Santa Severina Sanctæ Severinæ | Archdiocese | Suppressed into Archdiocese of Crotone–Santa Severina |
Santi Vincenzo ed Anastasio alle Tre Fontane Sancti Vincentii et Anastasii ad Aquas Salvias | Abbacy nullius | Suppressed into Diocese of Civita Castellana, Titular Episcopal See of Nepi, Diocese of Pitigliano–Sovana–Orbetello, Papal See of Roma |
Santissima Trinità di Mileto | Abbacy nullius | Suppressed into Diocese of Mileto–Nicotera–Tropea |
Santissimo Salvatore (Italo-Albanese Rite) Sanctissimi Salvatoris Messanæ | Abbacy nullius | United with Metropolitan Archdiocese of Messina–Lipari–Santa Lucia del Mela |
Santo Stefano di Prato | Provostry nullius | Now Diocese of Prato |
Sarno Sarnen(sis) | Diocese | Suppressed into Diocese of Nocera Inferiore–Sarno |
Sarno Sarnen(sis) | Diocese | Suppressed into Diocese of Nocera Inferiore–Sarno |
Sarsina Sarsinaten(sis) | Diocese | Suppressed into Diocese of Cesena–Sarsina |
Sarzana Sarzanen(sis) | Diocese | Suppressed into Diocese of La Spezia–Sarzana–Brugnato |
Satriano / Lucania / Satrianum | Diocese | Now Diocese of Campagna, Archdiocese of Conza and Titular Episcopal See of Satriano |
Savona Savonen(sis) | Diocese | Now Diocese of Savona–Noli |
Scala Scalen(sis) | Diocese | Now Archdiocese of Amalfi–Cava de’ Tirreni and Titular Episcopal See of Scala |
Segni Signin(us) | Diocese | Suppressed into Diocese of Velletri–Segni |
Sepino Sæpinum | Diocese | Now Titular Episcopal See of Sepino and Titular Episcopal See of Sepino |
Septempeda | Diocese | Suppressed into Archdiocese of Camerino–San Severino Marche |
Sezze Setin(us) | Diocese | Suppressed into Diocese of Latina–Terracina–Sezze–Priverno |
Siena Senen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Siena–Colle di Val d’Elsa–Montalcino |
Siena Senen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Siena–Colle di Val d’Elsa–Montalcino |
Siena Senen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Siena–Colle di Val d’Elsa–Montalcino |
Siena Senen(sis) | Diocese | Now Metropolitan Archdiocese of Siena–Colle di Val d’Elsa–Montalcino |
Silicia (Italo-Albanese Rite) | Ordinariate | Now Diocese of Piana degli Albanesi |
Sinis-Tharros | Metr. Archdiocese | Now and Titular Episcopal See of Tharros |
Sinis-Tharros | Diocese | Now and Titular Episcopal See of Tharros |
Siponto | Metr. Archdiocese | Now Archdiocese of Manfredonia–Vieste–San Giovanni Rotondo |
Siponto | Archdiocese | Now Archdiocese of Manfredonia–Vieste–San Giovanni Rotondo |
Siponto | Diocese | Now Archdiocese of Manfredonia–Vieste–San Giovanni Rotondo |
Siracusa / Syracuse Syracusan(us) | Diocese | Now Metropolitan Archdiocese of Siracusa |
Siracusa / Syracuse Syracusan(us) | Diocese | Now Metropolitan Archdiocese of Siracusa |
Sora Soran(us) | Diocese | Now Diocese of Sora–Cassino–Aquino–Pontecorvo |
Sora–Aquino–Pontecorvo Soran(us)–Aquinaten(sis)–Pontiscurvi | Diocese | Now Diocese of Sora–Cassino–Aquino–Pontecorvo |
Sorrento Surrentin(us) | Metr. Archdiocese | Now Archdiocese of Sorrento–Castellammare di Stabia |
Sorrento Surrentin(us) | Archdiocese | Now Archdiocese of Sorrento–Castellammare di Stabia |
Sorrento Surrentin(us) | Diocese | Now Archdiocese of Sorrento–Castellammare di Stabia |
Sorres Sorren(sis) | Diocese | Now Metropolitan Archdiocese of Sassari and Titular Episcopal See of Sorres |
Sovana Soanen(sis) | Diocese | Now Diocese of Pitigliano–Sovana–Orbetello |
Sovana Soanen(sis) | Diocese | Now Diocese of Pitigliano–Sovana–Orbetello |
Sovana Soanen(sis) | Diocese | Now Diocese of Pitigliano–Sovana–Orbetello |
Sovana Soanen(sis) | Diocese | Now Diocese of Pitigliano–Sovana–Orbetello |
Sovana–Pitigliano Soanen(sis)–Pitilianen(sis) | Diocese | Now Diocese of Pitigliano–Sovana–Orbetello |
Sovana–Pitigliano Soanen(sis)–Pitilianen(sis) | Diocese | Now Diocese of Pitigliano–Sovana–Orbetello |
Sovana–Pitigliano–Orbetello Soanen(sis)–Pitilianen(sis)–Urbetellien(sis) | Diocese | Now Diocese of Pitigliano–Sovana–Orbetello |
Spello / Hispellum Hispellen(sis) | Diocese | Now Archdiocese of Spoleto–Norcia and Titular Episcopal See of Spello |
Spoleto Spoletan(us) | Archdiocese | Now Archdiocese of Spoleto–Norcia |
Spoleto Spoletan(us) | Archdiocese | Now Archdiocese of Spoleto–Norcia |
Spoleto Spoletan(us) | Archdiocese | Now Archdiocese of Spoleto–Norcia |
Spoleto Spoletan(us) | Diocese | Now Archdiocese of Spoleto–Norcia |
Spoleto Spoletan(us) | Diocese | Now Archdiocese of Spoleto–Norcia |
Spoleto Spoletan(us) | Diocese | Now Archdiocese of Spoleto–Norcia |
Squillace Squillacen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Catanzaro–Squillace |
Strongoli Strongulen(sis) | Diocese | Now Diocese of Cariati and Titular Episcopal See of Strongoli |
Subaugusta / Subaugusta Subaugustan(us) | Diocese | Now and Titular Episcopal See of Subaugusta |
Suelli Suellen(sis) | Diocese | Now Metropolitan Archdiocese of Cagliari and Titular Episcopal See of Suelli |
Suèssola | Diocese | Suppressed into Diocese of Sant’Agata de’ Goti |
Sulci / Sant’Antioco / Solci / Sulcis Sulcitan(us) | Diocese | Now and Titular Episcopal See of Sulci |
Sulmona Sulmonen(sis) | Diocese | Now Diocese of Sulmona–Valva |
Sutri / Sutrium Sutrin(us) | Diocese | Now Diocese of Civita Castellana and Titular Episcopal See of Sutri |
Sutri / Sutrium Sutrin(us) | Diocese | Now Diocese of Civita Castellana and Titular Episcopal See of Sutri |
Taormina / Tauromenium Tauromenitan(us) | Diocese | Now Titular Episcopal See of Taormina and Titular Episcopal See of Taormina |
Taranto Tarentin(us) | Diocese | Now Metropolitan Archdiocese of Taranto |
Tarquinia Tarquinien(sis) | Diocese | Suppressed into Diocese of Civitavecchia–Tarquinia |
Tarquinia Tarquinien(sis) | Diocese | Suppressed into Diocese of Civitavecchia–Tarquinia |
Tauriano / Taurianum Taurianien(sis) | Diocese | Now Diocese of Mileto–Nicotera–Tropea and Titular Episcopal See of Tauriano |
Teano Theanen(sis) | Diocese | Now Diocese of Teano–Calvi |
Teano Theanen(sis) | Diocese | Now Diocese of Teano–Calvi |
Telese / Cerreto Sannita Cerretan(us) / Thelesin(us) | Diocese | Now Diocese of Cerreto Sannita–Telese–Sant’Agata de’ Goti |
Teramo Aprutin(us) / Teramen(sis) | Diocese | Now Diocese of Teramo–Atri |
Teramo Aprutin(us) / Teramen(sis) | Diocese | Now Diocese of Teramo–Atri |
Terlizzi Terlitien(sis) | Diocese | Suppressed into Diocese of Molfetta–Ruvo–Giovinazzo–Terlizzi |
Termini Imerese / Termæ Himeræ Himeren(sis) | Diocese | Now Titular Episcopal See of Termini Imerese and Titular Episcopal See of Termini Imerese |
Termini Imerese / Termæ Himeræ Himeren(sis) | Diocese | Now Titular Episcopal See of Termini Imerese and Titular Episcopal See of Termini Imerese |
Termoli Thermularum | Diocese | Now Diocese of Termoli–Larino |
Terni Interamnen(sis) | Diocese | Now Archdiocese of Spoleto–Norcia |
Terracina Terracinen(sis) | Diocese | Now Diocese of Latina–Terracina–Sezze–Priverno |
Terracina Terracinen(sis) | Diocese | Now Diocese of Latina–Terracina–Sezze–Priverno |
Terracina–Latina Terracinen(sis)–Latinen(sis) | Diocese | Now Diocese of Latina–Terracina–Sezze–Priverno |
Terralba Terralben(sis) | Diocese | Suppressed into Diocese of Ales–Terralba |
Tharros Tharren(sis) | Diocese | Now and Titular Episcopal See of Tharros |
Thurio Thurien(sis) | Diocese | Now and Titular Episcopal See of Thurio |
Tindari / Tyndaris Tyndaritan(us) | Diocese | Now Titular Episcopal See of Tindari and Titular Episcopal See of Tindari |
Tocco Caudio | Diocese | Suppressed |
Todi Tudertin(us) | Diocese | Suppressed into Diocese of Orvieto–Todi |
Tolentino Tolentin(us) | Diocese | Now Diocese of Macerata and Titular Episcopal See of Tolentino |
Torcello / Turricellum / Turris Torcellan(us) | Diocese | Now Patriarchal See of Venezia and Titular Episcopal See of Torcello |
Torino / Turin Taurinen(sis) | Diocese | Now Metropolitan Archdiocese of Torino |
Torres Turritan(us) | Diocese | Now Metropolitan Archdiocese of Sassari |
Tortiboli / Tortibulum Tortibulan(us) | Diocese | Now Diocese of Lucera–Troia and Titular Episcopal See of Tortiboli |
Trani Tranen(sis) | Metr. Archdiocese | Now Archdiocese of Trani–Barletta–Bisceglie |
Trani Tranen(sis) | Metr. Archdiocese | Now Archdiocese of Trani–Barletta–Bisceglie |
Trani Tranen(sis) | Archdiocese | Now Archdiocese of Trani–Barletta–Bisceglie |
Trani Tranen(sis) | Diocese | Now Archdiocese of Trani–Barletta–Bisceglie |
Tre Taverne / Tres Tabernæ Trium Tabernarum | Diocese | Now Diocese of Velletri–Segni and Titular Episcopal See of Tre Taverne |
Treba / Treba Treban(us) | Diocese | Now Diocese of Anagni–Alatri and Titular Episcopal See of Treba |
Treia Trien(sis) | Diocese | Now Diocese of Macerata and Titular Episcopal See of Treia |
Trento / Trent Tridentin(us) | Archdiocese | Now Metropolitan Archdiocese of Trento |
Trento / Trent Tridentin(us) | Diocese | Now Metropolitan Archdiocese of Trento |
Trento / Trent Tridentin(us) | Diocese | Now Metropolitan Archdiocese of Trento |
Trevi / Trebia Trebian(us) | Diocese | Now Archdiocese of Spoleto–Norcia and Titular Episcopal See of Trevi |
Trevico Trevicen(sis) | Diocese | Now Diocese of Lacedonia and Titular Episcopal See of Trevico |
Tricala / Trecalæ Trecalitan(us) | Diocese | Now Titular Episcopal See of Tricala and Titular Episcopal See of Tricala |
Trieste Tergestin(us) | Diocese | Now |
Trieste Tergestin(us) | Diocese | Now |
Trieste Tergestin(us) | Diocese | Now |
Trieste Tergestin(us) | Diocese | Now |
Trieste Tergestin(us) | Diocese | Now |
Troia Troian(us) | Diocese | Suppressed into Diocese of Lucera–Troia |
Troina / Troyna Troynien(sis) | Diocese | Now and Titular Episcopal See of Troina |
Tronto / Truentum Truentin(us) | Diocese | Now and Titular Episcopal See of Tronto |
Tropea Tropien(sis) | Diocese | Suppressed into Diocese of Mileto–Nicotera–Tropea |
Tropea Tropien(sis) | Diocese | Suppressed into Diocese of Mileto–Nicotera–Tropea |
Tursi Tursien(sis) | Diocese | Now |
Tuscanella | Diocese | Now Diocese of Viterbo and Titular Episcopal See of Tuscania |
Tuscania Tuscanen(sis) | Diocese | Now Diocese of Viterbo and Titular Episcopal See of Tuscania |
Tusculum Tusculan(us) | Diocese | Now Diocese of Frascati |
Tusculum–Frascati | Diocese | Now Diocese of Frascati |
Udine Utinen(sis) | Diocese | Now Metropolitan Archdiocese of Udine |
Udine Utinen(sis) | Diocese | Now Metropolitan Archdiocese of Udine |
Ugento Uxentin(us) | Diocese | Now Diocese of Ugento–Santa Maria di Leuca |
Umbriatico Umbriaticen(sis) | Diocese | Now Diocese of Cariati and Titular Episcopal See of Umbriatico |
Urbania Urbanien(sis) | Diocese | Suppressed into Archdiocese of Urbino–Urbania–Sant’Angelo in Vado |
Urbino | Metr. Archdiocese | Now Archdiocese of Urbino–Urbania–Sant’Angelo in Vado |
Urbino | Metr. Archdiocese | Now Archdiocese of Urbino–Urbania–Sant’Angelo in Vado |
Urbino | Diocese | Now Archdiocese of Urbino–Urbania–Sant’Angelo in Vado |
Urbino–Urbania–Sant’Angelo in Vado Urbinaten(sis)–Urbanien(sis)–Sancti Angeli in Vado | Metr. Archdiocese | Now Archdiocese of Urbino–Urbania–Sant’Angelo in Vado |
Urbisaglia / Urbs Salvia Urbis Salviæ | Diocese | Now Archdiocese of Camerino–San Severino Marche and Titular Episcopal See of Urbisaglia |
Uselli Uxellen(sis) | Diocese | Now Diocese of Ales–Terralba |
Vado Ligure | Diocese | Now Diocese of Savona–Noli |
Vallo di Lucania Vallensis in Lucania | Diocese | Now Diocese of Vallo della Lucania |
Valva Valven(sis) | Diocese | Suppressed into Diocese of Sulmona–Valva |
Valva Valven(sis) | Diocese | Suppressed into Diocese of Sulmona–Valva |
Vasto Histonien(sis) / Vasten(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Chieti–Vasto |
Velletri Velitern(us) | Diocese | Now Diocese of Ostia |
Velletri Velitern(us) | Diocese | Now Diocese of Ostia |
Velletri Velitern(us) | Diocese | Now Diocese of Ostia |
Venafro Venafren(sis) | Diocese | Suppressed into Diocese of Isernia–Venafro |
Venafro Venafren(sis) | Diocese | Suppressed into Diocese of Isernia–Venafro |
Venosa Venusin(us) | Diocese | Suppressed into Diocese of Melfi–Rapolla–Venosa |
Venosa Venusin(us) | Diocese | Suppressed into Diocese of Melfi–Rapolla–Venosa |
Ventimiglia / Vintimille Ventimilien(sis) | Diocese | Now Diocese of Ventimiglia–San Remo |
Ventimiglia / Vintimille Ventimilien(sis) | Diocese | Now Diocese of Ventimiglia–San Remo |
Ventimiglia / Vintimille Ventimilien(sis) | Diocese | Now Diocese of Ventimiglia–San Remo |
Ventimiglia / Vintimille Ventimilien(sis) | Diocese | Now Diocese of Ventimiglia–San Remo |
Ventimiglia / Vintimille Ventimilien(sis) | Diocese | Now Diocese of Ventimiglia–San Remo |
Vercelli Vercellen(sis) | Diocese | Now Metropolitan Archdiocese of Vercelli |
Veroli Verulan(us) | Diocese | Now Diocese of Frosinone–Veroli–Ferentino |
Veroli–Frosinone Verulan(us)–Frusinaten(sis) | Diocese | Now Diocese of Frosinone–Veroli–Ferentino |
Vescovìo / Santa Maria in Vescovio / Forum Novum / Sabina Foronovan(us) | Diocese | Now Diocese of Sabina–Poggio Mirteto and Titular Episcopal See of Vescovìo |
Vibo Valentia / Vibo Vibonen(sis) | Diocese | Now and Titular Episcopal See of Vibo Valentia |
Vico Equense Vican(us) | Diocese | Now Archdiocese of Sorrento–Castellammare di Stabia and Titular Episcopal See of Vico Equense |
Vieste Vestan(us) | Diocese | Suppressed into Archdiocese of Manfredonia–Vieste–San Giovanni Rotondo |
Viterbo Viterbien(sis) | Diocese | Now Diocese of Viterbo |
Viterbo, Acquapendente, Bagnoregio, Montefiascone, Tuscania e San Martino al Monte Cimino Viterbien(sis), Aquipendien(sis), Balneoregien(sis), Faliscodunen(sis), Tuscanen(sis) et Sancti Martini ad Montem Ciminum | Diocese | Now Diocese of Viterbo |
Voghenza / Vicohabentia Vicohabentin(us) | Diocese | Now and Titular Episcopal See of Voghenza |
Vulturara / Vulturaria Vulturarien(sis) | Diocese | Now Diocese of Lucera–Troia and Titular Episcopal See of Vulturara |
Zuglio / Iulium Carnicum Iulien(sis) | Diocese | Now Patriarchal See of Aquileia and Titular Episcopal See of Zuglio |
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