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Research atlas for early Christianity. Claims are tagged attested, traditional, or disputed. Copyrighted full texts, including CCEL editions, are not included.

place

Cyzicus

Also known as Kyzikos

undated

40.3878, 27.8706 · Wikidata Q615449 P625 (accessed 2026-11-12) · On the map

City on the Sea of Marmara whose bishops were central in 4th-century debates.

Wikipedia extract

Cyzicus ( SIZ-ik-əs; Ancient Greek: Κύζικος, romanized: Kúzikos; was an ancient Greek town in Mysia in Anatolia in the current Balıkesir Province of Turkey. It was located on the shoreward side of the present Kapıdağ Peninsula, a tombolo which is said to have originally been an island in the Sea of Marmara only to be connected to the mainland in historic times either by artificial means or an earthquake.

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Sources

Authority files

bishops

Cyzicus · DeChurched Atlas