Khmer Loeu
The Khmer Loeu (Khmer: ជនជាតិខ្មែរលើ [cunciət kʰmae ləː]; "upper Khmers") is the collective name given to the various indigenous ethnic groups residing in the highlands of Cambodia. The Khmer Loeu are found mainly in the northeastern provinces of Ratanakiri, Stung Treng, and Mondulkiri.