🏛️ Prusias ad Olympum-Prusias ad Mare
Ruined Hellenistic-Roman city on the Black Sea coast of northwestern Anatolia
📌 Fast Facts
- Located near modern Konuralp, Düzce Province, northwestern Turkey
- Founded in the 3rd century BCE by King Prusias I of Bithynia
- Served as a major port city under Hellenistic and Roman rule
- Partially submerged and eroded; limited archaeological excavation in recent decades
Prusias ad Mare was a significant harbor city established by the Bithynian kingdom on the southeastern coast of the Black Sea. The site represents the easternmost major settlement of Bithynia and maintained commercial and strategic importance through the Hellenistic period and into Roman provincial times. Modern archaeological work on the partially preserved ruins remains limited, with the site experiencing ongoing coastal erosion and environmental degradation ...