Servia (Greek: Σέρβια, Sérvia) is one of the main towns in the Kozani regional unit, West Macedonia, Greece. It is one of the most historical places in the region, with a 6th-century Byzantine castle and the Kamvounia mountain dominating the landscape. There are also a number of 10th century Byzantine cave hermitages and small churches located nearby, which add to the Byzantine atmosphere of the area.