Ptolemaida

Ptolemaida (Greek: Πτολεμαΐδα, Ptolemaïda, Katharevousa: Πτολεμαΐς, Ptolemaïs) is a town and a former municipality in Kozani regional unit, West Macedonia, Greece. Since the 2011 local government reform it is part of the municipality Eordaia, of which it is the seat and a municipal unit. It is known for its coal (lignite) mines and its power stations.