Changes in Ecclesiastical Jurisdictions in Bulgaria

Date	Change
Unknown	Titular Episcopal See of Abrytus was established
Unknown	Titular Episcopal See of Anchialus was established
Unknown	Titular Episcopal See of Apiaria was established
Unknown	Titular Metropolitan See of Marcianopolis was established
Unknown	Titular Archiepiscopal See of Mesembria was established
Unknown	Titular Metropolitan See of Philippopolis was established
Unknown	Titular Episcopal See of Sozopolis was established
200	Diocese of Sofia was established
1601	Diocese of Sofia was restored (became suffragan of Bar)
1642.12.06	Diocese of Sofia was promoted as Metropolitan Archdiocese of Sofia
1648	Diocese of Nikopol was established (became suffragan of Sofia)
1758	Metropolitan Archdiocese of Sofia was demoted as Apostolic Vicariate of Sofia–Plovdiv
1835	Titular Metropolitan See of Sardica was established (from Apostolic Vicariate of Sofia–Plovdiv)
1861	Apostolic Vicariate of Constantinople (Bulgarian Rite) was established
1883.04.07	Apostolic Vicariate of Tracia (Bulgarian Rite) was established (from Apostolic Vicariate of Constantinople)
1921	Titular Episcopal See of Apiaria was renamed as Titular Episcopal See of Apiara
1922	Titular Episcopal See of Abrytus was renamed as Titular Episcopal See of Abryus
1924	Titular Episcopal See of Abryus was renamed as Titular Episcopal See of Abrytus
1925	Titular Episcopal See of Abrytus was renamed as Titular Episcopal See of Abrittum
1925	Titular Episcopal See of Apiara was renamed as Titular Episcopal See of Appiaria
1925	Titular Episcopal See of Odessus was established
1925	Titular Metropolitan See of Ratiaria was established
1926	Titular Metropolitan See of Philippopolis was renamed as Titular Metropolitan See of Philippopolis
1926	Apostolic Exarchate of Sofia (Bulgarian Rite) was established (from the suppressed Apostolic Vicariate of Constantinople, Apostolic Vicariate of Macedonia and Apostolic Vicariate of Tracia)
1926	Apostolic Vicariate of Constantinople (Bulgarian Rite) was suppressed (to establish Apostolic Exarchate of Sofia)
1926	Apostolic Vicariate of Tracia (Bulgarian Rite) was suppressed (to establish Apostolic Exarchate of Sofia)
1928	Titular Episcopal See of Odessus was promoted as Titular Archiepiscopal See of Odessus
1929	Titular Archiepiscopal See of Beroë was established
1929	Titular Metropolitan See of Sardica was renamed as Titular Metropolitan See of Serdica
1930	Titular Metropolitan See of Preslavus was established
1932	Titular Episcopal See of Anchialus was promoted as Titular Archiepiscopal See of Anchialus
1933	Titular Episcopal See of Bononia was established
1933	Titular Episcopal See of Bucellus was established
1933	Titular Episcopal See of Castra Martis was established
1933	Titular Episcopal See of Deultum was established
1933	Titular Episcopal See of Dorostorum was established
1933	Titular Episcopal See of Germania in Dacia was established
1933	Titular Episcopal See of Margum was established
1933	Titular Episcopal See of Nicopolis ad Iaterum was established
1933	Titular Episcopal See of Novæ was established
1933	Titular Metropolitan See of Philippopolis was renamed as Titular Metropolitan See of Philippopolis in Thracia
1933	Titular Episcopal See of Sozopolis was renamed as Titular Episcopal See of Sozopolis in Hæmimonto
1933	Titular Metropolitan See of Ternobus was established
1933	Titular Episcopal See of Transmarisca was established
1933	Titular Metropolitan See of Velebusdus was established
1933	Titular Episcopal See of Œscus was established
1968	Titular Episcopal See of Nicopolis ad Iaterum was renamed as Titular Episcopal See of Nicopolis ad Iaternum
1979.03.03	Titular Metropolitan See of Serdica was suppressed (to Diocese of Sofia–Plovdiv)
1979.03.03	Apostolic Vicariate of Sofia–Plovdiv was promoted as Diocese of Sofia–Plovdiv (gained territory from the suppressed Titular Metropolitan See of Serdica and without ecclesiastical province)
2019.10.11	Apostolic Exarchate of Sofia (Bulgarian Rite) was promoted as Diocese of Saint John XXIII of Sofia (without ecclesiastical province)