L1 users: 350 (1995 census). Ethnic population: Included within the Ahka [ahk] ethnic group.
Bokeo province: Houayxay district, 1 village; Luang Namtha province: Namtha district, Bopiet and Namtoung villages; Phongsali province: east of Moung Ou Tail.
None known. Very similar to Sila [slt] (Bradley 2007a).
A larger population may be in China under Han nationality.