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🏛️ Nicomedia-Nicaea

Archaeology - Ancient Rome Türkiye Asia

🏛️ Nicomedia-Nicaea
Remains of two ancient Roman cities in northwestern Anatolia


🕐 2 min read · Updated 14 Mar 2026 at 22:20
📌 Fast Facts
  • Located in Bithynia region, northwestern Türkiye, near modern Izmit
  • Nicomedia founded circa 712 BCE by Megarian colonists; later Roman provincial capital
  • Nicaea (modern Iznik) founded 316 BCE, became major early Christian center and site of First Council of Nicaea (325 CE)
  • Both cities experienced significant decline following Ottoman conquest in 14th–15th centuries

Nicomedia and Nicaea represent two significant urban centers of the ancient Mediterranean world, located in what is now ...

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