Amphipolis in Smiths Bible Dictionary

(a city surrounded by the sea), a city of Macedonia, through which Paul and Silas passed on their way from Philippi to Thessalonica Ac 17:1 It was distant 33 Roman miles from Philippi, to the southwest, and about three miles from the sea. Its site is now occupied by a village called Neokhorio; in Turkish Jeni-Keni, or "New Town."

Link: https://bible-history.com/smiths/A/Amphipolis/