Ruined hill town, northern central Macedonia, Greece.
In с 357 BC it was fortified by King Philip II to control nearby gold mines. In 42 BC it was the scene of the decisive Roman battle in which Augustus ) defeated Brutus and {{link=Cassius Longinus, Gaius">Cassius , the leading assassins of Julius Caesar . Many Christian ruins, especially of the 5th–6th century AD, are spread over the site. St. Paul preached the gospel to Christian converts there.