21.38694°N 103.01556°E ﻿ / 21.38694; 103.01556 Coordinates : 21°23′13″N 103°0′56″E ﻿ / ﻿ 21.38694°N 103.01556°E ﻿ / 21.38694; 103.01556 Vicinity of Dien Bien Phu , Vietnam Result Decisive Viet Minh victory Belligerents French Union   France State of Vietnam Hmong mercenaries Viet Minh   Chinese military advisors [1] Commanders Christian de