Mana Sibu is one of the 180 Aanaas in the Oromia Region of Ethiopia. Part of the West Welega Zone, Mana Sibu is bordered on the south by Jarso, on the southwest by Begi, on the north by the Benishangul-Gumuz Region, and on the southeast by Nejo. Mendi is the administrative center. Kiltu Kara woreda was part of Mana Sibu woreda.
Coffee is an important cash crop of this woreda. Over 50 square kilometers are planted with this crop.[1]