- Albanian Byzantine Catholic Church (apostolic administration): Albania (1628)
- Belarusian Greek Catholic Church (no established hierarchy at present): Belarus (1596)
- Bulgarian Greek Catholic Church (apostolic exarchate): Bulgaria (1861)
- Byzantine Church Of The Eparchy Of Križevci (an eparchy and an apostolic exarchate): Bosnia and Herzegovina, Croatia, Serbia, and Montenegro (1611)
- Greek Byzantine Catholic Church (two apostolic exarchates): Greece, Turkey (1829)
- Hungarian Greek Catholic Church (an eparchy and an apostolic exarchate): Hungary (1646)
- Italo-Albanian Catholic Church (two eparchies and a territorial abbacy): Italy (Never separated)
- Macedonian Greek Catholic Church (an apostolic exarchate): Republic of Macedonia (1918)
- Melkite Greek Catholic Church (patriarchate): Syria, Lebanon, Jordan, Israel, Jerusalem, Brazil, USA, Canada, Mexico, Iraq, Egypt and Sudan, Kuwait, Australia, Venezuela, Argentina (1726)
- Romanian Church United With Rome, Greek-Catholic (major archiepiscopate): Romania, United States of America (1697)
- Russian Byzantine Catholic Church : (two apostolic exarchates, at present with no published hierarchs): Russia, China (1905); currently about 20 parishes and communities scattered around the world, including five in Russia itself, answering to bishops of other jurisdictions
- Ruthenian Catholic Church (a ''sui juris'' metropolia, an eparchy, and an apostolic exarchate): United States of America, Ukraine, Czech Republic (1646)
- Slovak Greek Catholic Church (two eparchies and an apostolic exarchate): Slovak Republic, Canada (1646)
- Ukrainian Greek Catholic Church (major archiepiscopate): Ukraine, Poland, USA, Canada, Great Britain, Australia, Germany and Scandinavia, France, Brazil, Argentina (1595)
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