"The Pinai-Hagahai language group is located in an area along both sides of the Yuat River in the Enga and Madang Provinces. The area stretches approximately ten kilometers south and ten kilometers north of the Yuat. It has the Lai River and Aram e River as its eastern border and the area of the East Sepik provincial boundary as its western border."

"The most significant population centers are Megamanau, Ilu, and Mamusi."

"Aramaue" is spoken "'on the boundary' between the Western Highlands and the East Sepik District"; "Pinai" is spoken "in the Upper Yuat gorge, to the north of the river"; "Erem" is spoken in a village of the same name "on the Upper Yuat river."

Pella village may speak "Aramaue".

"Enga, Madang, Western Highlands and East Sepik provinces border area."