L1 users: 250 (2002 SIL).
Western province: Morehead district, Bimadeben village, between Nambo [ncm] and Idi [idi] language areas.
Transmitted to young people. Those marrying into the village learn Nen (2011). Also use Idi [idi], Nambo [ncm]. Also use English [eng], especially people 12 to 45 years of age (and particularly the men in that group) with high proficiency.