Wenbera is one of the 20 woredas in the Benishangul-Gumuz Region of Ethiopia. Part of the Metekel Zone, it is bordered on the south and west by the Kamashi Zone, on the north by the Beles River which separates it from Guba and Dangur, and by Bulen on the east; the Abay River defines the boundary between Wenbera and the Kamashi Zone.
Towns in Wenbera include Debre Zeyit. The highest point in this woreda is Mount Culan Sancai (2,435 meters), west of Debre Zeyit; other elevations include the Borema range, the Gum Gum mountains and the Sassie mountains in the northwest corner of the woreda. Rivers include the Naga, a south-flowing tributary of the Abay.