Jarso is one of the 180 woredas in the Oromia Region of Ethiopia. Part of the Mirab Welega Zone, Jarso is bordered on the south by Ayra Guliso, on the southwest by Gawo Dale, on the west by Begi, on the north by Mana Sibu, on the northeast by Nejo, and on the southeast by Boji. Towns in Jarso include Dabeka and Geba Dafino.