L1 users: 4,200 (2000 census). 820 Sabu, 3,380 Abu.
Madang and East Sepik provinces: between Angoram, Ramu, and Sepik rivers; northwest of Madang. 22 villages.
Abu, Auwa, Sabu. Intelligibility among dialects sufficient to understand each other’s complex and abstract discourse. Most closely related to Banaro [byz]. Sabu in northeast language region. Auwa may be a different language.
SOV; postpositions; genitives before noun heads; articles, adjectives, numerals, relatives after noun heads; word order distinguishes subjects, objects, indirect objects; CV, CVC, CCV, V, VC; nontonal.
Latin script [Latn].