15,000 (2011 SIL).
Northwest Lhuntsi District, especially Kurto. Bounded by Kurichhu river east and north, Tangmachhu village south and Rodula Pass west.
The dialect around Tangmachhu is more divergent. Lexical similarity: 69% with Nyengkha [neh], 70%–73% with Bumthangkha, 66%–74% with Khengkha.
Used as L2 by Khengkha [xkf].