The Roman Catholic Diocese of Adramyttium was established in the 13th century as a suffragan of Cyzicus, but was later made a suffragan of Ephesus. In 1222, an unnamed bishop was entrusted with a papal assignment. [1]
The diocese of Adramyttium was nominally revived as a Latin titular bishopric.
It is vacant, having had the following incumbents, all of the lowest (episcopal) rank :
Gratianopolis was an ancient city and Roman Catholic diocese in Mauretania Caesariensis in the Maghreb. It now is a Latin Catholic titular see.
The Apostolic Vicariate of Burma was a Latin rite Catholic missionary pre-diocesan jurisdiction in British Burma (1741-1866).
Obba was an Ancient town in Roman North Africa. It is now a Latin Catholic titular see.
The Roman Catholic Archdiocese of Shkodër–Pult, historically known as Scutari, is one of two Metropolitan archdiocese of the Latin Rite of the Roman Catholic Church in Albania.
The Roman Catholic Archdiocese of Port Moresby is a Latin Metropolitan Archdiocese in Papua New Guinea, yet remains dependent on the missionary Propaganda Fide Roman Congregation.
The Ethiopian Catholic Archeparchy of Addis Abeba, officially the Metropolitan sui iuris Archeparchy of Addis Abeba is the metropolitan see of the Ethiopian Catholic Church, a sui iuris metropolitan Eastern Catholic Church.
The Roman Catholic Archdiocese of Libreville is the Metropolitan See of the Latin Ecclesiastical province covering all Gabon.
The Roman Catholic Metropolitan Archdiocese of Izmir is a Latin archdiocese of the Roman Catholic Church in Asian Turkey (Anatolia).
The Roman Catholic Metropolitan Archdiocese of Kaunas is a Latin archdiocese of the Roman Catholic Church in Lithuania.
The Roman Catholic Diocese of Szombathely is a Latin rite suffragan diocese in the Ecclesiastical province of the Metropolitan Veszprém in Hungary.
The Diocese of Pult was a Latin Catholic diocese in northern Albania until abolished in 2005, when it was merged into the Metropolitan Archdiocese of Shkodër-Pult.
The Roman Catholic Diocese of Iași is a Latin Rite suffragan of the Metropolitan Bucharest Archdiocese, in Romanian Moldavia.
The Roman Catholic Archdiocese of Hankou is a Latin Rite Metropolitan archdiocese, based in Hankou, Wuhan, Hubei, China.
The Roman Catholic Diocese of Kangding/ Kanting is a Latin diocese in the Ecclesiastical province of the Metropolitan of Chongqing in western China, but still dependent on the Roman missionary Congregation propaganda Fide.
Abonoteichos, later Ionopolis, was an ancient city in Asia Minor, on the site of modern İnebolu and remains a Latin Catholic titular see.
The Roman Catholic Diocese of Leavenworth is a Latin rite former bishopric and present titular bishopric in and originally around Kansas state, Midwestern United States.
Arsuz, also known as Uluçınar, is a municipality in Hatay Province, southern Anatolia. In the ancient times, it was known as Rhosus and was a former bishopric and titular see.
The Roman Catholic Archdiocese of Halifax-Yarmouth is a Roman Catholic archdiocese that includes part of the civil province of Nova Scotia.
The Apostolic Vicariate of Aleppo is an apostolic vicariate and is immediately subject to the Holy See and its missionary Roman Congregation for the Oriental Churches
The Roman Catholic Archdiocese of Ohrid was a Latin Catholic archdiocese, suppressed in the 1700s, and is now a titular see, at modern Ohrid in North Macedonia.