Tovshuur, a Mongolian lute.
Can have two or three strings. Mainly played by the Western Mongolians. From the Oirats, Altai Urianghais, Altais, Tuvans and Khalkha. Used in folklore. Tovshuur are homemade, so they differ depending on the region and manufacturer. There are some very similar instruments in the surrounding autonomous regions and neighboring countries. like the dombra, Kalmykian tovshuur, or the balaleika from Russia. (becomes an extra group)