Nejo is one of the 180 woredas in the Oromia Region of Ethiopia. Part of the Mirab Welega Zone, Nejo is bordered on the southeast by Boji, on the west by Jarso, on the northwest by Mana Sibu, and on the north and east by the Benishangul-Gumuz Region. The administrative center is Nejo; other towns in Nejo include Gori and Wara Jiru.