Söğüt District is a district of Bilecik Province of Turkey. Its seat is the town Söğüt.[1] Its area is 523 km2,[2] and its population is 18,352 (2021).[3] It is in the Marmara region in the north-west of the country, bordering Bilecik to the west, Gölpazarı to the north, İnhisar to the north-east, Tepebaşı (Eskişehir) to the south-east, and Bozüyük to the south-west.