25,000 (1994 SIL).
Orientale Province, Ituri district, Mambasa territory, Bandaka collectivité, along Bunia to NiaNia road.
Only 1 dialect. Mbo [zmw], Budu [buu], Vanuma [vau], Nyali [nlj], and Ndaka [ndk] speakers agree that their languages are more similar to each other than to other border Bantu languages. Lexical similarity: 87% with Mbo [zmw]; 85% with Budu [buu]; 76% with Vanuma [vau]; 73% with Nyali [nlj]; 30% with Komo [kmw]; 22% with Bhele [bhy], Kaiku [kkq], Bila [bip], and Bera [brf].