Balıkesir Province is a province in midwestern Turkey, having coastlines on both the Sea of Marmara and the Aegean. Its adjacent provinces are Çanakkale to the west, İzmir to the southwest, Manisa to the south, Kütahya to the southeast, and Bursa to the
east. The provincial capital is Balıkesir City. Most of the province lies in the Marmara Region except the southern parts of Bigadiç Edremit, Kepsut, İvrindi, Savaştepe and Sındırgı districts and ones of Ayvalık, Burhaniye, Dursunbey, Gömeç and Havran, that
bound the Aegean Region.