Language NameUma’ Lasan
User Population1,500 in Indonesia (Soriente 2005).
LocationEast Kalimantan province: Malinau regency, Long Jelet Mesahan, Long Pejalin (Uma Alim dialect), and Long Pujungan villages.
Alternate NamesWestern Kenyah
DialectsUma’ Alim, Uma’ Lasan, Uma’ Baka.
Language UseAlso use Mainstream Kenyah [xkl].