Wanderlust World Wanderlust World The dominant religion across Eastern Europe and Russia is Eastern Orthodox Christianity. It is the majority faith in Russia, Ukraine, Belarus, Moldova, Romania, Bulgaria, Serbia, Montenegro, North Macedonia, Greece, Cyprus, and Georgia.
The Eastern Orthodox Church, formally the Orthodox Catholic Church, is the second-largest Christian communion globally (after Roman Catholicism), with approximately 220–260 million baptized members worldwide. In the region, it is deeply intertwined with national identity, culture, and history. While significant minorities practice Roman Catholicism (Poland, Slovakia, Hungary, Croatia, Lithuania), Protestantism (Estonia, Latvia, parts of Hungary), and Islam (parts of the Balkans, Volga region, North Caucasus), Eastern Orthodoxy remains the defining religious tradition of the region.