L1 users: 10,000 (1988 SIL). 1,000 monolinguals.
Chimbu province: Karimui district, Tua river system; Southern Highlands province: Kagua-Erave district, southeast corner, 28 villages; Jiwaka province: southern extremity, South Waghi LLG.
Erave. Villages in Karimui and Negabo areas have minor dialect differences from standard Dadibi.
Latin script [Latn].
Christian, traditional religion.