Söğüt [søʲyt] is a town and district of Bilecik Province in the Marmara region of Turkey. Söğüt has an area of 599 km2 (231 sq mi) and borders Bilecik to the west, Gölpazarı to the north, İnhisar to the northeast, Tepebaşı (Eskişehir) to the southeast, and Bozüyük to the southwest. The 2000 census put the population at 21,012 citizens, and according to a 2010 estimate, the population was 19,425.