Sokoto State is one of the 36 states of Nigeria, located in the extreme northwest of the country. Bounded by Republic of the Niger to the north and west for 363 km, and the states of Zamfara to the east, and Kebbi to the south and west, partly across the Ka River. Its capital and largest city is the city of Sokoto. Sokoto is located near to the confluence of the Sokoto River and the Rima River. As of 2022 it has an estimated population of more than 6.3 million.