Gratianopolis was an ancient city and Roman Catholic diocese in Mauretania Caesariensis in present-day Algeria. It was one of several towns named after the Roman emperor Gratian, and is only known from mentions in church council minutes. Its history, location and present condition are unknown. The name survives as a Roman Catholic titular see, and since 1911 has been the title of the Greek Catholic Apostolic Exarchate.
The Roman Catholic Archdiocese of Antananarivo is one of five Latin Metropolitan 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 Prague (Praha) (Latin: Archidioecesis Pragensis; Czech: Arcidiecéze pražská) is a Metropolitan Latin archdiocese of the Catholic Church in Bohemia, in the Czech Republic.
The Diocese of Prince-Albert, in Saskatchewan, is a Latin Catholic suffragan in the western Canadian ecclesiastical province of the Metropolitan Archdiocese of Regina.
The Archdiocese of Strasbourg is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church in France, first mentioned in 343 AD.
The Archdiocese of Białystok is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church in Podlaskie Voivodeship, Northeastern Poland. It is a metropolitan see with two suffragan dioceses.
The Roman Catholic Diocese of Chełm(-Lublin) was a Latin Catholic bishopric in southeastern Poland, from 1257 until its suppression in 1805, which was restored as Latin titular see in 2009.
The Roman Catholic Diocese of Telšiai is a suffragan Latin diocese in the ecclesiastical province of the Metropolitan of Kaunas, one of two in Lithuania.
The Roman Catholic Archdiocese of Mohilev was a territorial Latin rite division of the Roman Catholic Church, covering a significant proportion of the western territory of the Tsarist Russian empire.
The Diocese of Guadix is a Latin suffragan diocese of the Catholic Church in the ecclesiastical province of Granada in Andalusia, southern Spain and a Latin titular bishopric under its Ancient name of Acci. Its cathedral episcopal see is Nuestra Señora de la Anunciación, dedicated to Our Lady of the Annunciation, in the city of Guadix, administrative province of Granada. It was commenced in 1710, on the site occupied by the principal mosque, and completed in 1796.
The Diocese of Szombathely is a Latin suffragan diocese in the ecclesiastical province of the Metropolitan Veszprém in Hungary.
The Roman Catholic Diocese of Kyiv-Zhytomyr is a suffragan diocese of the Latin Church of the Catholic Church in Ukraine in ecclesiastical province of the Metropolitan Archdiocese of Lviv of the Latins.
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 Halifax–Yarmouth is a Latin Church archdiocese that includes part of the civil province of Nova Scotia.
The Diocese of Smolensk was a Latin Church ecclesiastical territory or diocese of the Catholic Church. Founded in 1636 and dissolved in 1818, it was initially located within the Polish–Lithuanian Commonwealth, and later in Czarist Russia.
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 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.
Turuda was an ancient Roman-Berber city and former diocese in Africa Proconsulare in Algeria. It is currently a Roman Catholic 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.
Lithuania 
