🏛️ Nicomedia-Nicaea
Ancient Roman city ruins in northwestern Anatolia
📌 Fast Facts
- Located in İzmit, Kocaeli Province, northwestern Türkiye
- Founded circa 712 BCE; major Roman imperial residence under Diocletian (284–305 CE)
- Once one of the four capitals of the Tetrarchy system
- Remains consist of scattered architectural fragments and foundations visible in the modern city
Nicomedia was an ancient Bithynian and later Roman city positioned on the Gulf of İzmit, serving as a ...