Ptolemaida (Greek: Πτολεμαΐδα, romanized: Ptolemaïda, Katharevousa: Πτολεμαΐς, Ptolemaïs) is a town and a former municipality in Kozani regional unit, Western 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. During the Ottoman period the city was called Kayılar (English: Kailar, Germanic: Kajilar), rendered into English as Kaïlar. This name was retained in Greek as Kailaria (Καϊλάρια) until 1927. Kailar refers to the Kayı tribe, the tribe of Osman I, the founder of the Ottoman Empire. The modern name Ptolemaida was introduced by decree on January 20, 1927, honoring Ptolemy I Soter, son of Lagus, comrade-in-arms of Alexander the Great and founder of the Ptolemaic dynasty, and his daughter Ptolemaïs, who are said to originate from that region. His statue stands in the central square of the city. More information...
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