Europe

The oldest European city is Bulgaria's Plovdiv.

An excerpt from the article 22 facts about Europe

The first people settled in this place 8000 years ago and settlement continues here to this day. In the 5th century BC became part of the Odrysian kingdom. Philip II of Macedon named it Philippopolis after conquering Thrace. In 46, Philippopolis was incorporated into the Roman Empire.