The Greek historian Theopompus mentioned it in the 4th century BCE as a town named "Poneropolis" ( "town of villains") in pejorative relation to the conquest by king Philip II of Macedon who is said to have settled the town with 2,000 men who were false-accusers, sycophants, lawyers, and other possible disreputables. According to Plutarch, the town was named by this king after he had populated it with a crew of rogues and vagabonds, but this is possibly a folk name that did not actually exist. The names "Dulon polis" ( "slaves' town") and possibly "Moichopolis" ( "adulterer's town") likely have similar origins.