Belarusian Greek Catholic Church was created in 1990.
Greek Byzantine Catholic Church was created in 1907.
St. Nicholas Ukrainian Catholic Church was created in 1906.
Greek-Catholic Church of Virgin Mary's Birth - Košice - was created in 1898.
St. Joseph the Betrothed Ukrainian Greek Catholic Church was created in 1956.
Albanian Byzantine Catholic Church Armenian Catholic Church Bulgarian Greek Catholic Church Chaldean Catholic Church Coptic Catholic Church Patriarchate Ethiopian Catholic Church Byzantine Church of Croatia, Serbia and Montenegro Greek Byzantine Catholic Church Hungarian Byzantine Catholic Church Italo-Albanian Byzantine Catholic Church Macedonian Catholic Church Maronite Catholic Church Melkite Greek-Catholic Church Romanian Greek-Catholic Church Ruthenian Byzantine Catholic Church Slovak Byzantine Catholic Church Syriac Catholic Church Patriarchate Syro-Malabar Catholic Church Syro-Malankara Catholic Church Ukrainian Greek-Catholic Church
Melkite Greek Catholic Church's population is 2,010.
Melkite Greek Catholic Church's population is 1,600,000.
The Greek Orthodox Church left the Catholic Church in the eleventh century.
Catholic AnswerThis is known in the Catholic Church as apostasy and is an automatic excommunication. If there is something you feel drawn to in the Greek Orthodox Church, then you should look into the Greek Uniate Church with is the part of the Greek Church which has always been in union with Rome (even after the Greek Orthodox left the Church). You may attend Greek Uniate Sacraments with no special permission, but to officially change Rites, you would need to apply to your Bishop and their Bishop.
The Melkite Greek Catholic Church is an Eastern Catholic Church in full communion with the Holy See as part of the worldwide Catholic Church.
Greek Catholic Union of the USA was created in 1892.
Greek Catholic Diocese of Maramureş was created in 1930.