Bashilo River which separates it from the Debub Wollo Zone, on the west by Simada, on the north by Lay Gayint, and on the east by the Checheho River which separates it from the Semien Wollo Zone.
The Bashilo River is a geographic feature that delineates the boundaries of the region, with its western border being the Debub Wollo Zone, its northern border being Simada, and its eastern border being the Checheho River, which separates it from the Semien Wollo Zone.