🏛️ Prusias ad Hypium-Claudiopolis
Greco-Roman ruins in northwestern Anatolia
📌 Fast Facts
- Located near Düzce in northwestern Türkiye, approximately 200 km east of Istanbul
- Founded as Prusias by Prusias I of Bithynia (3rd century BCE); renamed Claudiopolis under Roman rule
- Served as a major port city on the Black Sea coast before silting gradually isolated it from the sea
- Remains largely unexcavated; visible ruins include defensive walls, scattered architectural fragments, and foundations
Prusias ad Hypium-Claudiopolis was a significant Hellenistic and Roman urban center in the Kingdom of Bithynia, located in what is now northwestern Türkiye. Established in the 3rd century BCE by Prusias I, the city occupied a strategic position on the Hypius River (modern Bartın River) near its confluence with the Black Sea. The site was later absorbed into Roman territory and renamed Claudiopolis under imperial administration, becoming an important commercial and administrative hub until its ...