L1 users: 400 (2000).
Maluku Utara province: Halmahera Utara regency; north Halmahera island on Kao bay area near Kao river mouth.
Could be a marginal dialect of Pagu [pgu], but relates uniquely to other languages in Kao River subbranch.
Ethnic group membership expressed by knowing the language. Speakers 40 and older. Also use Indonesian [ind].