15,000 (1991 SIL).
Maluku Utara Province, Ibu, Jailolo, and Oba districts. North Halmahera island.
Adu, Nyeku. Northern dialect is the main one. Dialects mutually inherently intelligible.
Literacy rate in L1: Below 1%. Literacy rate in L2: 25%–50%. NT: 2008.
Latin script [Latn].