The Archdiocese of Québec is a Latin Church ecclesiastical jurisdiction or archdiocese of the Catholic Church in Quebec, Canada. It is the oldest episcopal see in the New World north of Mexico and the primatial see of Canada. The Archdiocese of Quebec is also the metropolitan see of an ecclesiastical province with the suffragan dioceses of Chicoutimi, Sainte-Anne-de-la-Pocatière and Trois-Rivières. The archdiocese's cathedral is Notre-Dame de Québec in Quebec City.
An ecclesiastical province is one of the basic forms of jurisdiction in Christian churches, including those of both Western Christianity and Eastern Christianity, that have traditional hierarchical structures. An ecclesiastical province consists of several dioceses, one of them being the archdiocese, headed by a metropolitan bishop or archbishop who has ecclesiastical jurisdiction over all other bishops of the province.
Sede vacante refers, in the Canon Law of the Catholic Church, to the state during which a diocese or archdiocese is without a prelate installed in office, with the prelate's office being the cathedral. The term is used frequently in reference to papal vacancies occurring upon the Pope's death or resignation.
The Archdiocese of Seattle is a Latin Church ecclesiastical territory, or archdiocese, of the Catholic Church in western Washington State in the United States. The Diocese was known as the Diocese of Nesqually from 1850 to 1907. The mother church of the archdiocese is St. James Cathedral in Seattle. The former cathedral is the Proto-Cathedral of St. James the Greater in Vancouver. Its archbishop since 2019 is Paul D. Etienne.
The Archdiocese of Anchorage–Juneau is a Latin Church ecclesiastical territory, or archdiocese, in southern Alaska in the United States. The archdiocese has a single suffragan diocese, the Diocese of Fairbanks.
The hierarchy of the Catholic Church consists of its bishops, priests, and deacons. In the ecclesiological sense of the term, "hierarchy" strictly means the "holy ordering" of the church, the Body of Christ, so to respect the diversity of gifts and ministries necessary for genuine unity.
The Archdiocese of Louisville is a Latin Church ecclesiastical territory, or archdiocese, of the Catholic Church in central Kentucky in the United States. The cathedral church of the archdiocese is the Cathedral of the Assumption in Louisville, Kentucky. The archdiocese is the seat of the metropolitan see of the Province of Louisville, which encompasses the states of Kentucky and Tennessee. The archdiocese is the second-oldest diocese west of the Appalachian Mountains, after the Archdiocese of New Orleans. As of 2023, the archbishop of Louisville is Shelton Fabre.
The Archdiocese of Galveston–Houston is a Latin Church ecclesiastical jurisdiction—an archdiocese—of the Catholic Church in the United States. The archdiocese covers a portion of Southeast Texas, and is the metropolitan see of the ecclesiastical province covering east-Texas. The archdiocese was erected in 2004, having been a diocese since 1959 and the "Diocese of Galveston" since 1847. It is the second metropolitan see in Texas after the Archdiocese of San Antonio.
The Archdiocese of Omaha is a Latin Church ecclesiastical territory or diocese of the Catholic Church in northeastern Nebraska in the United States. Its current archbishop, George Joseph Lucas, was installed in Omaha on July 22, 2009.
The Diocese of Duluth is a Latin Church diocese of the Catholic Church in northeastern Minnesota in the United States. It is a suffragan diocese of the metropolitan Archdiocese of Saint Paul and Minneapolis.
The Archdiocese of Edmonton is a Latin Church ecclesiastical territory or archdiocese in the Canadian civil province of Alberta. The archbishop's cathedral see is located in St. Joseph Cathedral, a minor basilica in Edmonton. The Archdiocese of Edmonton is the metropolitan see of its ecclesiastical province, which also contains two suffragan dioceses: the Dioceses of Calgary and Saint Paul in Alberta.
The Roman Catholic Archdiocese of Montréal is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church in Canada. A metropolitan see, its archepiscopal see is the Montreal, Quebec. It includes Montreal and surrounding areas within Quebec.
The Archdiocese of Ottawa–Cornwall is a Catholic archdiocese that includes part of the Province of Ontario and includes the suffragan dioceses of Hearst, Pembroke, and Timmins. On 6 May 2020, Pope Francis amalgamated the Archdiocese of Ottawa and the Diocese of Alexandria-Cornwall to create the Archdiocese of Ottawa–Cornwall.
The Roman Catholic Archdiocese of Sherbrooke is a Roman Catholic archdiocese that includes part of the civil province of Quebec and includes the suffragan dioceses of Nicolet and Saint-Hyacinthe. It is currently led by Luc Cyr.
The Archdiocese of Sydney is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church. Its episcopal see is Sydney, New South Wales, Australia.
The Roman Catholic Diocese of Pembroke is a suffragan of the Archdiocese of Ottawa. It was elevated as the Diocese of Pembroke on 4 May 1898. The Cathedral of St. Columbkille in Pembroke is the mother church of the Diocese of Pembroke.
The Diocese of Bathurst is a Roman Catholic suffragan of the Archdiocese of Moncton. It has its cathedral episcopal see, Sacred Heart Cathedral, in Bathurst, New Brunswick, Canada.
The Roman Catholic Metropolitan Archdiocese of Colombo is a Latin metropolitan archdiocese of the Roman Catholic Church, whose ecclesiastical province covers all Sri Lanka plus the Maldives. It depends on the missionary Roman Congregation for the Evangelization of Peoples.
The Roman Catholic Metropolitan Archdiocese of Kuala Lumpur is an ecclesiastical territory or diocese of the Roman Catholic Church in Malaysia. It was erected as the Diocese of Kuala Lumpur by Pope Pius XII on 25 February 1955, and was elevated to the rank of a Metropolitan Archdiocese on 18 December 1972, with the suffragan sees of Malacca-Johor and Penang. It also administers the capital city of Malaysia, Federal Territory of Kuala Lumpur as well as the federal administrative centre of Putrajaya and the urbanised states of Selangor and Negeri Sembilan in the central region as well as Pahang and Terengganu on the East Coast. The archdiocese's Mother Church and thus, seat of its Archbishop, is St. John's Cathedral. It was one of the three Roman Catholic archdioceses in Malaysia, with the ecclesiastical archdioceses of Kota Kinabalu and Kuching, both at the Borneo Islands.
The Roman Catholic Archdiocese of Dhaka is the Latin, main Metropolitan diocese of the Roman Catholic Church in Bangladesh, but no longer the only one. It still depends on the missionary Roman Congregation for the Evangelization of Peoples.
Canada 
