Noun Concept
Categories: Christian festivals and holy days, Seasons, Christian terminology, Christian organizations established in the 1st century, Chalcedonianism
Eastern Orthodox Church  Eastern Church  Orthodox Catholic Church  Orthodox Church  Eastern Orthodox
The Eastern Orthodox Church, officially the Orthodox Catholic Church, is the second-largest Christian church, with approximately 220 million baptised members. Wikipedia
The second largest Christian communion in the world Wikipedia Disambiguation
Communion of autocephalous Christian Churches that follow Orthodox Christianity. It does not have a central doctrinal authority analogous to the bishop of Rome, but the patriarch of Constantinople is recognized by all as primus inter pares of bishops Wikidata
One of the major branches of Christianity; it comprises the Greek Orthodox Church, the Russian Orthodox Church and other patriarchates. Wiktionary