42°27′N 27°35′E / 42.450°N 27.583°E
Antheia (Ancient Greek: Ἄνθεια) was a town on the western coast of the Pontus Euxinus (Black Sea) in ancient Thrace, a colony of the Milesians and Phocaeans.[1] It later bore the Latin name Anthium,[2] and was the precursor settlement to Apollonia Pontica (modern Sozopol).[3] It was located on the Gulf of Burgas between the modern cities of Burgas and Sozopol in Bulgaria.