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Which Country Has the Most Orthodox?

Sophia Al-Mansoor Oct 18, 2026 5 min read

Uncover in-depth analysis concerning Which Country Has the Most Orthodox.

The Orthodox Catholic Church is commonly known as the Eastern Orthodox Church, partly to avoid confusion with the Roman Catholic Church. It counts around 200 million members, most of them in eastern Europe, Greece and the Caucasus. Its traditional base is in modern-day Istanbul, previously known as Constantinople.