Campuon, Kha Tampuon, Proon, Proons, Tamphuan, Tampuen, Tampuon
31,000 in Cambodia (2008 census).
Northeast border area, Central Ratanakiri Province, south of Brao, west of Jarai.
Literacy rate in L1: 5%. Literacy rate in L2: 10%. Taught in primary schools. Pilot formal education programme begun in 3 elementary schools in 2003.
Khmer script [Khmr].
Exogamous clans, together with Kaco’ and Jarai, override ethnic and linguistic boundaries.