2,970 (2003 SIL), decreasing. Very few monolinguals. Small groups in West New Britain, Vanimo and Lae areas; a few elsewhere. About 2,400 live in Kombio area.
East Sepik Province, Dreikikir district, Torricelli mountains. 31 villages.
East Kombio (Wampurun), North Kombio (Mwi), South Kombio (Yanimoi), West-Central Kombio (Wampukuamp). Mwi dialect is more distinct from the others and users have some difficulty in comprehension between dialects. 7–8 central villages each have unique idiolect versions.
Shifting to Tok Pisin [tpi]; much mixing with L1. Kombio used by adults, but only used occasionally by those under 18.