Catholic DiocesesinRepublic of Türkiye (Turkiye) | ![]() |
Former Jurisdiction![]() | Type | Became |
Achyraus / Achirao Achyraëb(sis) | Diocese | Now Titular Episcopal See of Achyraus and Titular Episcopal See of Achyraus |
Adana / Adana (Armenian Rite) Adanen(sis) Armenorum | Diocese | Now Titular Episcopal See of Adana and Titular Episcopal See of Adana |
Ægeæ / Egee Ægeæn(sis) | Diocese | Now Titular Episcopal See of Ægeæ and Titular Episcopal See of Ægeæ |
Amasea / Amasea Amasen(us) / Amasien(sis) | Metr. Archdiocese | Now Titular Metropolitan See of Amasea and Titular Metropolitan See of Amasea |
Amida / Amida Amiden(us) Latinorem | Metr. Archdiocese | Suppressed and Titular Metropolitan See of Amida |
Amida / Amida / Diarbekir (Armenian Rite) Amiden(us) Armenorum | Diocese | Now Titular Episcopal See of Amida and Titular Episcopal See of Amida |
Amida (Syriac Rite) Amiden(us) Syrorum | Diocese | Now Titular Episcopal See of Mardin and Titular Metropolitan See of Amida |
Ancyra / Ancira Ancyran(us) | Metr. Archdiocese | Now Titular Metropolitan See of Ancyra and Titular Metropolitan See of Ancyra |
Ancyra / Ancira / Ancira / Angora / Ankara (Armenian Rite) Ancyran(us) Armenorum | Diocese | Now Titular Episcopal See of Ancyra and Titular Episcopal See of Ancyra |
Antioch / Antiochia Antiochen(us) Latinorum | Patriarchate | Suppressed |
Antioch / Antiochia Antiochen(us) Latinorum | Diocese | Suppressed |
Antiochia / Antiochia di Pisidia | Metr. Archdiocese | Now Titular Metropolitan See of Antiochia in Pisidia and Titular Metropolitan See of Antiochia in Pisidia |
Apollonias / Apolloniade Apollonien(sis) | Diocese | Now Titular Episcopal See of Apollonias and Titular Episcopal See of Apollonias |
Aristium / Aristio Aristian(us) | Diocese | Now Titular Episcopal See of Aristium and Titular Episcopal See of Aristium |
Artvin / Artwin (Armenian Rite) Artuinen(sis) Armenorum | Diocese | Now Titular Episcopal See of Artvin and Titular Episcopal See of Artvin |
Batnæ / Batne Bathnen(sis) | Diocese | Now Titular Episcopal See of Batnæ and Titular Episcopal See of Batnæ |
Byzantium | Diocese | Suppressed |
Cesarea in Cappadocia | Metr. Archdiocese | Now Titular Metropolitan See of Cesarea in Cappadocia and Titular Metropolitan See of Cesarea in Cappadocia |
Cesarea in Cappadocia / Cesarea di Cappadocia / Kayseri (Armenian Rite) Cæsarien(sis) in Cappadocia Armenorum | Diocese | Now Titular Episcopal See of Cesarea in Cappadocia and Titular Episcopal See of Cesarea in Cappadocia |
Charræ / Carre | Diocese | Now Titular Episcopal See of Carrhæ and Titular Episcopal See of Carrhæ |
Cilicia (Armenian Rite) Ciliciæ Armenorum | Diocese | Now Patriarchal See of Cilicia |
Colonia / Colonia | Archdiocese | Now Titular Archiepiscopal See of Colonia in Armenia and Titular Archiepiscopal See of Colonia in Armenia |
Colossæ / Colosse / Colossi | Archdiocese | Now Titular Archiepiscopal See of Colossæ and Titular Archiepiscopal See of Colossæ |
Colossæ / Colosse / Colossi | Diocese | Now Titular Archiepiscopal See of Colossæ and Titular Archiepiscopal See of Colossæ |
Comanæ / Comana / Armisiacha | Diocese | Now Titular Episcopal See of Comana Armeniæ and Titular Episcopal See of Comana Armeniæ |
Comana Ponti / Comana Pontica | Diocese | Now Titular Episcopal See of Comana pontica and Titular Episcopal See of Comana pontica |
Constantinople / Constantinopoli Constantinopolitan(us) Latinorum | Patriarchate | Suppressed |
Constantinople | Patriarchate | Suppressed |
Constantinople / Constantinopoli Constantinopolitan(us) Latinorum | Patriarchal See | Suppressed |
Constantinople | Metr. Archdiocese | Suppressed |
Constantinople (Bulgarian Rite) | Apostolic Vicariate | Suppressed into |
Constantinopole / Constantinopoli Constantinopolitan(us) | Apostolic Vicariate | Now Apostolic Vicariate of Istanbul |
Constantinopole / Constantinopoli Constantinopolitan(us) | Apostolic Vicariate | Now Apostolic Vicariate of Istanbul |
Cyzicus / Cizico Cyzicen(us) | Metr. Archdiocese | Now Titular Metropolitan See of Cyzicus and Titular Metropolitan See of Cyzicus |
Diarbekir / Amida / Diyarbakır (Chaldean Rite) Amiden(sis) Chaldæorum | Diocese | Now Archdiocese of Diarbekir |
Edessa / Edessa | Archdiocese | Now Titular Metropolitan See of Edessa in Osrhoëne and Titular Metropolitan See of Edessa in Osrhoëne |
Ephesus / Efeso Ephesin(us) | Metr. Archdiocese | Now Titular Metropolitan See of Ephesus and Titular Metropolitan See of Ephesus |
Eumenia / Eumenia Eumenen(sis) | Diocese | Now Titular Episcopal See of Eumenia and Titular Episcopal See of Eumenia |
Focea Fochiarum Novarum | Diocese | Now Titular Episcopal See of Phocæa and Titular Episcopal See of Phocæa |
Gangra / Gangra Gangren(sis) | Metr. Archdiocese | Now Titular Metropolitan See of Gangra and Titular Metropolitan See of Gangra |
Garin / Erzerum / Erzurum (Armenian Rite) Erzerumien(sis) Armenorum | Diocese | Now Titular Episcopal See of Garin and Titular Episcopal See of Garin |
Gazireh / Gezira (Syriac Rite) Jaziren(sis) Syrorum | Diocese | Suppressed |
Gazireh / Gezira (Chaldean Rite) Jaziren(sis) Chaldæorum | Diocese | Suppressed into Diocese of Aleppo, Archdiocese of Diarbekir |
Gazireh / Gezira Jaziren(sis) Latinorum | Independent Mission | Suppressed |
Heraclea / Eraclea | Archdiocese | Now Titular Metropolitan See of Heraclea in Europa and Titular Metropolitan See of Heraclea in Europa |
Hierapolis / Gerapoli | Metr. Archdiocese | Now Titular Metropolitan See of Hierapolis in Phrygia and Titular Metropolitan See of Hierapolis in Phrygia |
Hierapolis / Gerapoli | Diocese | Now Titular Metropolitan See of Hierapolis in Phrygia and Titular Metropolitan See of Hierapolis in Phrygia |
Iconium / Iconio Iconien(sis) | Metr. Archdiocese | Now Titular Metropolitan See of Iconium and Titular Metropolitan See of Iconium |
Iconium / Iconio Iconien(sis) | Diocese | Now Titular Metropolitan See of Iconium and Titular Metropolitan See of Iconium |
Istanbul / Constantinopole / Constantinopoli (Armenian Rite) Constantinopolitan(us) Armenorum | Apostolic Vicariate | Now Patriarchal See of Cilicia |
Kharput / Karput (Armenian Rite) Karputen(sis) | Diocese | Now Titular Episcopal See of Kharput and Titular Episcopal See of Kharput |
Lampsacus / Lampsaco Lampsacen(us) | Diocese | Now Titular Episcopal See of Lampsacus and Titular Episcopal See of Lampsacus |
Laodicea / Laodicea di Frigia | Metr. Archdiocese | Now Titular Metropolitan See of Laodicea in Phrygia and Titular Metropolitan See of Laodicea in Phrygia |
Laodicea / Laodicea di Frigia | Diocese | Now Titular Metropolitan See of Laodicea in Phrygia and Titular Metropolitan See of Laodicea in Phrygia |
Magyddus / Magido | Diocese | Now Titular Episcopal See of Magydus and Titular Episcopal See of Magydus |
Marasc (Armenian Rite) Germanicen(sis) / Marascen(sis) | Diocese | Now Titular Episcopal See of Marasc and Titular Episcopal See of Marasc |
Mardin (Armenian Rite) Mardinen(sis) Armenorum | Archdiocese | Now Titular Archiepiscopal See of Mardin and Titular Archiepiscopal See of Mardin |
Mardin (Chaldean Rite) Mardinen(sis) Chaldæorum | Diocese | Now Titular Episcopal See of Mardin and Titular Episcopal See of Mardin |
Mardin (Syriac Rite) | Diocese | Now Titular Episcopal See of Mardin and Titular Episcopal See of Mardin |
Mardin / Mesopotamia Mardinen(sis) | Apostolic Prefecture | Suppressed |
Mardin and Amida (Syriac Rite) Marden(sis) et Amiden(sis) Syrorum | Diocese | Now Titular Episcopal See of Mardin and Titular Episcopal See of Mardin |
Martiropolis | Metr. Archdiocese | Now Titular Archiepiscopal See of Martyropolis and Titular Archiepiscopal See of Martyropolis |
Martiropolis | Archdiocese | Now Titular Archiepiscopal See of Martyropolis and Titular Archiepiscopal See of Martyropolis |
Melitene / Melitene Meliten(sis) | Metr. Archdiocese | Now Titular Metropolitan See of Melitene and Titular Metropolitan See of Melitene |
Melitene / Melitene / Malatia (Armenian Rite) Meliten(sis) Armenorum | Diocese | Now Titular Episcopal See of Melitene and Titular Episcopal See of Melitene |
Mopsuestia / Mopsuestia Mopsuesten(us) | Diocese | Now Titular Archiepiscopal See of Mopsuestia and Titular Archiepiscopal See of Mopsuestia |
Mush / Musc (Armenian Rite) Muscen(sis) | Diocese | Now Titular Episcopal See of Mush and Titular Episcopal See of Mush |
Myra / Mira Myren(sis)Myren(sis) | Metr. Archdiocese | Now Titular Metropolitan See of Myra and Titular Metropolitan See of Myra |
Myra / Mira Myren(sis)Myren(sis) | Diocese | Now Titular Metropolitan See of Myra and Titular Metropolitan See of Myra |
Nazianzus / Nazianzo Nazianzen(us) | Archdiocese | Now Titular Episcopal See of Nazianzus and Titular Episcopal See of Nazianzus |
Neocæsarea / Neocesarea | Metr. Archdiocese | Now Titular Metropolitan See of Neocæsarea in Ponto and Titular Metropolitan See of Neocæsarea in Ponto |
Nicæa / Nicea Nicæn(us) | Metr. Archdiocese | Now Titular Metropolitan See of Nicæa and Titular Metropolitan See of Nicæa |
Nicomedia / Nicomedia Nicomedien(sis) | Metr. Archdiocese | Now Titular Metropolitan See of Nicomedia and Titular Metropolitan See of Nicomedia |
Nicomedia / Nicomedia Nicomedien(sis) | Diocese | Now Titular Metropolitan See of Nicomedia and Titular Metropolitan See of Nicomedia |
Nisibis / Nisibi Nisiben(us) | Archdiocese | Now Titular Archiepiscopal See of Nisibis and Titular Archiepiscopal See of Nisibis |
Nyssa / Nissa Nyssen(us) | Diocese | Now Titular Episcopal See of Nyssa and Titular Episcopal See of Nyssa |
Olimpus / Olimpo | Diocese | Now Titular Episcopal See of Olympus and Titular Episcopal See of Olympus |
Parium / Pario Parian(us) | Archdiocese | Now Titular Archiepiscopal See of Parium and Titular Archiepiscopal See of Parium |
Pergamus / Pergamo | Diocese | Now Titular Episcopal See of Pergamum and Titular Episcopal See of Pergamum |
Polybotus / Poliboto Polyboten(sis) | Diocese | Now Titular Episcopal See of Polybotus and Titular Episcopal See of Polybotus |
Prusa (Armenian Rite) Brusen(sis) Armenorum / Prusen(sis) Armenorum | Diocese | Now Titular Episcopal See of Prusa and Titular Episcopal See of Prusa |
Prusa / Prusa Prusen(sis) | Diocese | Now Titular Episcopal See of Prusa and Titular Episcopal See of Prusa |
Samosata / Samosata Samosaten(sis) | Diocese | Now Titular Archiepiscopal See of Samosata and Titular Archiepiscopal See of Samosata |
Sardes / Sardi Sardian(us) | Metr. Archdiocese | Now Titular Metropolitan See of Sardes and Titular Metropolitan See of Sardes |
Sasima / Sasima Sasimen(sis) | Diocese | Now Titular Episcopal See of Sasima and Titular Episcopal See of Sasima |
Sebaste / Sivas / Siwas (Armenian Rite) Sebasten(sis) Armenorum | Archdiocese | Now Titular Archiepiscopal See of Sebaste and Titular Archiepiscopal See of Sebaste |
Sebaste / Sivas / Siwas (Armenian Rite) Sebasten(sis) Armenorum | Diocese | Now Titular Archiepiscopal See of Sebaste and Titular Archiepiscopal See of Sebaste |
Sebastia / Sebaste | Metr. Archdiocese | Now Titular Metropolitan See of Sebastea and Titular Metropolitan See of Sebastea |
Sebastopolis / Sebastopoli | Diocese | Now Titular Episcopal See of Sebastopolis in Armenia and Titular Episcopal See of Sebastopolis in Armenia |
Sebastopolis in Thracia / Sebastopoli di Tracia Sebastopolitan(us) in Thracia | Diocese | Now Titular Episcopal See of Sebastopolis in Thracia and Titular Episcopal See of Sebastopolis in Thracia |
Seert / Arzon (Chaldean Rite) Serten(sis) Chaldæorum | Diocese | Now Archdiocese of Diarbekir and Titular Episcopal See of Seert |
Sinope / Sinope Sinopen(us) | Diocese | Now Titular Episcopal See of Sinope and Titular Episcopal See of Sinope |
Smirne / Smyrna | Archdiocese | Now Metropolitan Archdiocese of Izmir |
Synnadæ / Sinnada | Metr. Archdiocese | Now Titular Metropolitan See of Synnada in Phrygia and Titular Metropolitan See of Synnada in Phrygia |
Thyatira / Tiatira Thyatiren(us) | Diocese | Now Titular Episcopal See of Thyatira and Titular Episcopal See of Thyatira |
Tokat (Armenian Rite) Tokaten(sis) Armenorum | Diocese | Now Titular Archiepiscopal See of Sebaste and Titular Episcopal See of Tokat |
Trabzon / Trebisonda Trapezuntina | Apostolic Prefecture | Now Metropolitan Archdiocese of Izmir |
Tracia / Hadrianopolis (Bulgarian Rite) Thraciæ Bulgarorum | Apostolic Vicariate | Suppressed into |
Trapezus / Trabzon / Trebisonda / Trapezunt (Armenian Rite) Trapezuntin(us) Armenorum | Diocese | Now Titular Episcopal See of Trapezus and Titular Episcopal See of Trapezus |
Troas / Troade Troaden(sis) / Trojan(sis) | Diocese | Now Titular Episcopal See of Troas and Titular Episcopal See of Troas |
Turkey of Europe / Turchia d’Europa (Greek Rite) | Apostolic Exarchate | Now Apostolic Exarchate of Istanbul |
Upper Gazireh (Chaldean Rite) | Apostolic Administration | Suppressed into Diocese of Aleppo, Archdiocese of Diarbekir |
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