Diocese of Ferentium is a former bishopric (now titular see) with capital in town Ferentium near Viterbo (in Lazio, Central Italy), which absorbed it.
Diocese Ferentium was established around 400 AD. In 700 AD, the diocese was suppressed and its territory annexed to the Diocese of Bomarzo.
In 1970, the old diocese was nominally restored as a Latin titular see.
It has had the following incumbents, of both the lowest (episcopal) and intermediate (archiepiscopal) ranks:
42°29′19″N12°07′57″E / 42.4886°N 12.1325°E
Remesiana was an ancient Roman city and former bishopric, which remains an Eastern Orthodox and also a Latin Catholic titular see, located around and under the modern city of Bela Palanka in Serbia.
The Roman Catholic Archdiocese of Fianaranintsoa is one of the five Catholic Metropolitan Latin Archdioceses in Madagascar, yet depends on the missionary Roman Congregation for the Evangelization of Peoples.
The Roman Catholic Archdiocese of Kingston is a Latin Church ecclesiastical jurisdiction or archdiocese of the Catholic Church in Canada that includes part of the federal Province of Ontario in southeastern Canada.
The Archdiocese of Port Moresby is a Latin Church ecclesiastical jurisdiction or archdiocese of the Catholic Church in Papua New Guinea. Its cathedral is in St. Mary's Cathedral, in Port Moresby, National Capital District.
The Roman Catholic Diocese of Alotau-Sideia is a Latin suffragan diocese in the ecclesiastical province of the Metropolitan Roman Catholic Archdiocese of Port Moresby, yet remains dependent on the Roman Congregation for the Missions Propaganda Fide.
The Roman Catholic Archdiocese of Libreville is the Metropolitan See of the Latin Ecclesiastical province covering all Gabon.
The Roman Catholic Archdiocese of Mbandaka-Bikoro is the Metropolitan See for the Latin Rite Ecclesiastical province of Mbandaka-Bikoro, in the western part of Democratic Republic of the Congo. It is under the authority of the Congregation for the Evangelization of Peoples.
The Diocese of Wau is a Latin Church is an ecclesiastical jurisdiction or diocese of the Catholic Church in South Sudan. It is a suffragan in the ecclesiastical province of the metropolitan Archdiocese of Juba, and depends on the missionary Roman Congregation for the Evangelization of Peoples.
The Archdiocese of Mohilev was a territorial Latin rite division of the Catholic Church, covering the greater part of the territory of the Tsarist Russian empire. The Cathedral was the Church of the Assumption of the Virgin and St. Stanislav in Mohilev, the co-cathedral was the Cathedral of the Assumption of the Blessed Virgin Mary in Saint Petersburg.
The Metropolitan Archdiocese of Rijeka is a Latin Catholic Metropolitan archdiocese in Croatia.
The Diocese of Iași is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Romanian Western Moldavia. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Bucharest. Its episcopal see is Iași.
The Roman Catholic Archdiocese of Hankou is a Latin Rite Metropolitan archdiocese, based in Hankou, Wuhan, Hubei, China.
The Archdiocese of Shenyang is a Latin Metropolitan archdiocese in northeastern PR China.
The Diocese of Leavenworth was a Latin Church former diocese and present titular see originally in and around Kansas, in the midwestern United States.
The Roman Catholic Diocese of La Canea or Cidonia was a bishopric on Crete, with see at present Chania, and afterward was twice a Latin titular see.
The Diocese of Novigrad was a Latin Church ecclesiastical jurisdiction or diocese of the Catholic Church located in the city of Novigrad, Istria, Croatia until it was suppressed to the Diocese of Trieste in 1831.
Cabarsussi was an ancient civitas (municipality) and bishopric in the Roman province of Byzacena, that is tentatively identifiable with ruins at Drâa-Bellouan in modern Tunisia. The current bishop is Terence Robert Curtin, auxiliary bishop of Melbourne.
Octava was a city and bishopric in Numidia. It is a Roman Catholic titular see.
Mauriana was an ancient city and bishopric in Roman North Africa, which remains a Latin Church titular see of the Catholic Church.
Tenedos or Bozcaada is an island, former bishopric and Latin Catholic titular see of Asian Turkey in the northeastern part of the Aegean Sea.