In article nationalism questions in host countries in relation to chams, one of the most ancient indigenous people of East Indochina are considered. After final destruction of the chamsky state (Kingdom of Champa) the majority of chams have appeared in emigration, including in Cambodia, Thailand and China. The first wave of emigration of chams is connected with the island of Hainan. The greatest difficulties with their integration have arisen in Cambodia where chama have even undergone genocide at regime of "Red Khmers" (1975-1979).