Vang Vieng is located in Vientiane Province where the tourist-oriented town. The town lies on the Nam Song River.The most notable areafeature is the karst hill landscape surrounding the town.Vang Vieng was a first settlement around 1353in the mid-14th century. It served in the medieval kingdom of Lan Chang as a post between Luang Prabang and Vientiane. Theformer name was Mouang Song, in 1893during the colonial time, the name Vang Vieng was given.