There are no countries where Eastern Catholics are a majority. Generally in Europe, what we call "Byzantine Catholics" in the US are called "Greek Catholics." They are sizable in Ukraine, especially Western Ukraine.
The Greek Catholic Church is a minority faiths in Slovakia, Hungary, Romania, Poland, the Serbian region of Vojvodina and Croatia.
There are historic Greek Catholic churches in Lebanon and modern-day Israel. But many Mid-Eastern Greek Catholics have left their homeland.
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
Greek Byzantine Catholic Church was created in 1907.
Byzantine Catholic Eparchy of Parma was created in 1969.
Byzantine Catholic Eparchy of Phoenix was created in 1982.
Byzantine Catholic Eparchy of Passaic was created in 1963.
Byzantine Catholic Archeparchy of Pittsburgh's population is 58,997.
St. Nicholas Byzantine Catholic Church was created in 1918.
Byzantine Catholic Archeparchy of Pittsburgh was created on 1924-05-08.
St. John the Baptist Byzantine Catholic Cemetery was created in 1923.
Saint Anne Catholic Church of the Byzantine Rite was created in 1986.
Cathedral of St. Mary Byzantine Catholic Church was created in 1961.
False. The Byzantine Empire was Orthodox, and was never part of the Catholic Church.