Dong Van is a district of Ha Giang province, is also the northernmost district of Vietnam, with an area of 446.66 km ² and a population of 57 715 people (2006), including 2 towns and 17 communes. District town formerly vice table, now moved to the old town of Dong Van commune, Dong Van town this is. This is also one of the major attacks from China to Vietnam in 1979 and in the years 1984-1986.