Tsaatan) herder people in the Tsagaan-Nuur county of Khövsgöl Province in northern Mongolia.

Dukhan belongs to the Taiga subgroup of Sayan Turkic (which also includes Soyot–Tsaatan and Tofa).

[7] Dukhan morphophonemic units are written with capital letters, similar to its sister languages and standard grammars.

It is spoken by about five hundred people of the Dukhan (also Tsaatan) from Tsagaan-Nuur County, Tsagaannurr (Khövsgöl) Mongolia.

The Dukhan language is mainly related to an amalgam of dialects from the nomadic people of Outer Mongolia, Russia, and surrounding areas.