Shala is one of the Aanaas in the Oromia of Ethiopia. It was separated from Seraro woreda. Part of the West Arsi Zone located in the Great Rift Valley, Shala is bordered on the south by Seraro, on the west by the Southern Nations, Nationalities and Peoples' Region, on the north by Shala Lake which separates it from Arsi Negele, and on the east by Naannawa Shashamane; its western boundary is defined by the course of the Bilate River. The administrative center of this woreda is Aje.