Kozani ) is a city in northern Greece, capital of Kozani peripheral unit and of West Macedonia periphery. It is located in the western part of Macedonia, in the northern part of the Aliakmonas river valley. The city lies 710 meters above sea level, 15 kilometers north-west of the artificial lake Polyfytos, 120 km south-west of Thessaloniki, between the mountains Pieria, Vermio, Vourinos and Askio. Its population is estimated at about 50,000. The climate of the area is continental with cold and dry winters, and hot summers.Kozani is the home of the Technological Educational Institute of Western Macedonia and the University of Western Macedonia, with about 15,000 students from all over Greece and other places. It is also the seat of West Macedonia's court of appeal, police department, fire brigade, the seat of the 1st Army Corps of the Hellenic Army and of the Bishop of Servia and Kozani.One of the most important aspects of local folklore is Kozani's carnival at the end of the winter, which retains much of the profanity of the ancient Dionysiac cult. Kozani is renowned in Greece and abroad for the production of Saffron (Krokos Kozanis), in the nearby town of Krokos.Kozani is a transport node between Central Macedonia, Thessaly and Epirus. The nearest airport is Filippos Airport, 4 km from the city, IATA code: KZI. The airport was first opened in the mid-20th century. Kozani is situated near the Egnatia Highway, which connects the coast of the Ionian Sea with Thessaloniki and Turkish borders.