Jimma Arjo is an woreda in the Oromia Region of Ethiopia. It shares the name of Oromo people clan, the Jimma Arjo.[1] Part of the East Welega Zone, Jimma Arjo is bordered on the southwest by the Didessa River which separates it from the Illubabor Zone, on the northwest by Diga Leka, on the northeast by Guto Wayu, and on the southeast by Nunu Kumba. The administrative center of this woreda is Arjo.