Western Oromia makes up about a third of Ethiopia’s largest regional state, Oromia. The seven zones generally considered to be part of western Oromia – Kellem Wollega, East and West Wollega, Horru Guduru Wollega, Illubabor, Buno Bedelle and Jimma – border three of Ethiopia’s other regional states: Amhara, Benishangul-Gumuz and Gambella, as well as Upper Nile state in South Sudan. Since 2019,…