Asosa is a town in western Ethiopia and the capital of the Benishangul-Gumaz Region (or killoch) of Ethiopia. Located in the Asosa Zone, this town has a latitude and longitude of , with an elevation of 1570 meters.

Asosa is one of the 21 woredas in the Benishangul-Gumaz Region of Ethiopia. Part of the Asosa Zone, Asosa is bordered by Kormuk in the north, by Menge in the northeast, by Bambasi in the southeast, and by Sudan in the west.