An exarch was the holder of any of various historical offices, some of them being political or military and others being ecclesiastical.
In the Catholic Church, an apostolic visitor is a papal representative with a transient mission to perform a canonical visitation of relatively short duration. The visitor is deputed to investigate a special circumstance in a diocese or country, and to submit a report to the Holy See at the conclusion of the investigation.
The Ukrainian Greek Catholic Archeparchy of Philadelphia is a Ukrainian Greek Catholic Church ecclesiastical territory or archeparchy of the Catholic Church in the Eastern United States. Its episcopal see is Philadelphia, Pennsylvania. The Archeparchy of Philadelphia is a metropolitan see with three suffragan eparchies in its ecclesiastical province. The Archeparchy of Philadelphia's territorial jurisdiction includes the District of Columbia, Virginia, Maryland, New Jersey, and the eastern and central portions of Pennsylvania.
The Archeparchy of Winnipeg is a Ukrainian Greek Catholic Church ecclesiastical territory or archeparchy of the Catholic Church in Manitoba, a province of Canada. Currently, its archeparch is Lawrence Huculak.
The Eparchy of Edmonton is a Ukrainian Greek Catholic Church ecclesiastical territory or eparchy of the Catholic Church that governs parishes in the Canadian province of Alberta. It uses the Byzantine Rite liturgy in the Ukrainian language and English language. The eparchy's cathedral is St. Josaphat's Cathedral in the episcopal see of Edmonton, Alberta.
The Eparchy of the Holy Family of London is an eparchy of the Ukrainian Greek Catholic Church which is an Eastern Catholic Church that is in full communion with the Holy See. It's territorial remit includes the entirety of the islands of Great Britain and Ireland. The episcopal seat is the Cathedral of the Holy Family in Exile which is situated in the city of London. The incumbent eparch, Kenneth Nowakowski, was appointed on 15 January 2020.
The Eparchy of Saskatoon is a Ukrainian Greek Catholic Church ecclesiastical territory or eparchy of the Catholic Church in the Canadian province of Saskatchewan.
Kiro Stojanov is the Roman Catholic Bishop of Skopje and the Eparchial Bishop of the Macedonian Catholic Eparchy of the Blessed Virgin Mary Assumed in Strumica-Skopje of the Macedonian Greek Catholic Church.
Bishop Hlib Borys Sviatoslav Lonchyna is eparchial Bishop Emeritus of the Ukrainian Catholic Eparchy of the Holy Family of London since 1 September 2019. He had served as bishop from 18 January 2013. Previously, he served as the Apostolic Exarch for Ukrainian Catholics in Great Britain since 14 June 2011.
The Ukrainian Catholic Archiepiscopal Exarchate of Donetsk is one of the Ukrainian Greek Catholic Church 's five Archiepiscopal Exarchate in Eastern Ukraine.
The Archeparchy of Prešov is an archeparchy of the Slovak Greek Catholic Church which is an Eastern Catholic particular church of the Catholic Church that is in full communion with the Holy See. The archeparchy is the metropolitan see of the Slovak Greek Catholic ecclesiastical province which covers the whole of Slovakia. The archeparch is also, ex officio, the metropolitan bishop of the metropolis. The geographical remit of the archeparchy itself is confined to the Prešov Region of Slovakia. The see is currently sede vacante. The cathedral church of the archeparcy is the cathedral of St. John the Baptist which is situated in Prešov. As an Eastern Catholic church, it uses the Byzantine Rite in the Slovak and Church Slavonic languages.
The Archeparchy of Kyiv is a Ukrainian Greek Catholic archeparchy of the Catholic Church, that is located in the central part of Ukraine. The ordinary is the Archeparch of Kyiv who is also the Metropolitan of the ecclesiastical province of Kyiv-Halych and the Primate of the Ukrainian Greek Catholic Church. The incumbent Archeparch is Sviatoslav Shevchuk. He is assisted by two auxiliary bishops: Bohdan Dzyurakh and Josyf Milyan. The Archeparchy of Kyiv founded the newspaper "Sobor".
The Ukrainian Catholic Archeparchy of Przemyśl–Warsaw is an ecclesiastical territory or ecclesiastical province of the Ukrainian Greek Catholic Church — a particular Eastern Catholic Church, that is located in the south-eastern part of Poland. It was erected in 1996. Its Byzantine Rite services are conducted in the Ukrainian language. As a metropolitan see, it has two suffragan sees: Olsztyn–Gdańsk and Wrocław-Koszalin. The incumbent ordinary of the archeparchy is Eugeniusz Popowicz. It is assisted and protected by the Dicastery for the Eastern Churches in Rome. The cathedral church of the archeparchy is the Cathedral of St. John the Baptist, in the city of Przemyśl. Although the national capital of Warsaw was added to its title, there is no co-cathedral.
Daniel Kozelinski Netto is the Apostolic Administrator sede vacante of the Ukrainian Greek Catholic Eparchy of Santa Maria del Patrocinio in Buenos Aires since his appointment by Pope Benedict XVI on 22 June 2011. He had previously served as Auxiliary Bishop of São João Batista in Ukraine in Curitiba.
The Greek Catholic Apostolic Exarchate of Constantinople is an Apostolic Exarchate of the Greek Byzantine Catholic Church which is an Eastern Catholic Church. As a sui iuris (autonomous) Church, it is in full communion with the Holy See. In its liturgical services it uses the Byzantine Rite in the Greek language. It is effectively defunct.
The Exarchate of Saints Cyril and Methodius of Toronto is a ecclesiastical territory or exarchate that serves the Slovak Greek Catholic Church — a sui juris or self governing Eastern Catholic Church. Its geographical remit includes the whole territory of Canada. In 2022, Pope Francis transferred the ecclesiastical jurisdiction of the exarchate from the Slovak Greek Catholic Church to the Ruthenian Greek Catholic Church. It became part of the ecclesiastical Metropolis of Pittsburgh. This changed the territory's status from an eparchy to an exarchate at the same time.
Bishop Dionisio Paulo Lachovicz, O.S.B.M. is a Brazilian-born Ukrainian Greek Catholic hierarch. He was an Apostolic Visitor for the Ukrainian Greek Catholics in Italy and Spain. Prior to this appointment, he served as a Curial Bishop of the Major Archeparchy of Kyiv-Halych from December 21, 2005, until January 19, 2009, under the title of Titular Bishop of Egnatia. From September 5, 2019, he is a Delegate with the rights of Apostolic Exarch for the Ukrainian Catholic Apostolic Exarchate of Italy.
The Macedonian Catholic Eparchy of the Assumption of the Blessed Virgin Mary in Strumica-Skopje is the only eparchy of the Macedonian Greek Catholic Church. It is situated in North Macedonia. The eparchy is an Immediately subject to the Holy See.
The Apostolic Administration of Kazakhstan and Central Asia is an Apostolic Administration and is exempt, i.e. directly subject to the Holy See, that extends its jurisdiction over all the Eastern Catholic faithful of the Byzantine Rite who live in Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan and Uzbekistan.
Vasyl Hovera is a Ukrainian-born hierarch for Eastern Catholic Churches of the Byzantine Rite, who serves as an Apostolic Administrator of the Apostolic Administration of Kazakhstan and Central Asia for Faithful of Byzantine Rite, with a see in Karaganda, for Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan and Uzbekistan since 1 June 2019.
Italy, 
San Marino 
