The population of Orthodox Church in America is 1,000,000.
Syriac Orthodox Church's population is 5,600,000.
Japanese Orthodox Church's population is 30,000.
Romanian Orthodox Church's population is 18,806,428.
The population of Polish Orthodox Church is 600,000.
The population of Ethiopian Orthodox Tewahedo Church is 45,000,000.
The population of Estonian Apostolic Orthodox Church is 20,000.
The population of Estonian Orthodox Church of Moscow Patriarchate is 150,000.
There is an Orthodox Church and a Catholic Church. There is no Catholic Orthodox Church.
Eastern Orthodox Church (or the Christian Orthodox Church).
No, the Greek Orthodox church is a part of the Eastern Orthodox Churches.
Anglican Orthodox Church was created in 2001.
The Orthodox Church of Greece (Eastern Orthodox Church).