Gimbi is one of the 180 woredas in the Oromia Region of Ethiopia. Part of the Mirab Welega Zone, Gimbi woreda is bordered on the south by Haru, on the southwest by Yubdo, on the west by Lalo Asabi, on the north by the Benishangul-Gumuz Region, on the east by the Misraq Welega Zone, and on the southeast by an exclave of the Benishangul-Gumuz Region. The administrative center for this woreda is Gimbi. Homa woreda was part of Gimbi woreda.