Diga Leka was one of the 180 woredas in the Oromia Region of Ethiopia. It was separated for Diga and Leka Dulecha woredas. Part of the Misraq Welega Zone, Diga Leka was bordered on the south by an exclave of the Benishangul-Gumuz Region, on the west by the Didessa River which separates it from the Illubabor Zone on the southwest and the Mirab Welega Zone on the west, on the north by Sasiga, on the northeast by Guto Wayu and on the southeast by Jimma Arjo.