Vang Vieng is a town in Vientiane Province, northern Laos. Situated along the Nam Song River and surrounded by karst limestone formations, it lies approximately 130 kilometers north of the national capital, Vientiane. Originally a agricultural settlement, Vang Vieng gained international prominence in the late 20th century as a hub for backpackers drawn t…Vang Vieng is a town in Vientiane Province, northern Laos. Situated along the Nam Song River and surrounded by karst limestone formations, it lies approximately 130 kilometers north of the national capital, Vientiane. Originally a agricultural settlement, Vang Vieng gained international prominence in the late 20th century as a hub for backpackers drawn to its adventure sports, including river tubing, caving, and rock climbing.