Dzungar people
Tribe
The Dzungar people are the many Mongol Oirat tribes who formed and maintained the Dzungar Khanate in the 17th and 18th centuries. Historically, they were one of the major tribes of the Four Oirat confederation. Wikipedia
Languages spoken: Mongolian, Chagatai language, and Oirat language
China: 250,000 (2013 estimate)
Mongolia: 205,000 (2010 census)
Ukraine: 325 (Kalmyk)