18,500 (2007 census). 3,000 monolinguals. 10,200 Zayse, 7,600 Zergulla.
Southern Nations, Nationalities and Peoples Region (SNNPR), North Omo zone, west of Lake Chamo.
Zayse, Zergulla (Zargulla, Zergullinya). Similar to the Gidicho dialect of Koorete [kqy].
Vigorous. Approximately 7,000 ethnic Gamo speak Zergulla as L1. All ages. Positive attitudes.