297 BC

year

thumb|300px|Bithynia and Pontus as a province of the Roman Empire, 125 AD Bithynia (; ) is a geographical region of northwestern Asia Minor (in present-day Turkey), adjoining the Sea of Marmara, the Bosporus, and the Black Sea. It borders Mysia to the southwest, Paphlagonia to the northeast along the Black Sea coast, and Phrygia to the southeast towards the interior of Asia Minor.

hellenistic kingdom that existed from the 4th century BC to 74 BC

296 BCE battle