The Mondulkiri is a beautiful green province, although less-visited than other parts of Cambodia. Located on the western border of Vietnam and sparsely populated, Mondulkiri is mainly inhabited by the ethnic Phnong, Stieng or Kraol peoples, the largest of whichis the Phnong.The province’s largestcity is Sen Monorom, located almost one kilometerabove sea level, earningMondulkirithe colloquial nickname as the "Switzerland of Cambodia”, in particular because of its vast forests and evergreen hills