L1 users: 2,300 (2011 M. Ahland).
Benishangul-Gumuz region: Bambassi area toward the east to the Yabus River and also 300 km to the east in the Didessa river valley; Oromia region: western Wellaga zone.
Didessa, Bambassi. Lexical similarity: 30% with other Omotic languages, 60% with Sezo [hoz] (Bender 2003).
Latin script [Latn], in development.