1,300 (2000 census).
East Sepik province: Ambunti district, Wogamus river basin foothills; Sandaun province: Telefomin district, southeast of Wano river; Hiyowe dialect: Maposi village; Saniyo dialect: Hanasi, Malapute’e, Pukapuki, Salunapi, and Sio villages.
Saniyo (Sanio), Hiyowe (Hiowe). Reportedly similar to the Meiyari dialect of Niksek [gbe].
Used as L2 by Yawiyo [ybx].
Latin script [Latn].