Baruun-Urt (Mongolian: Баруун−Урт, west-long) is a town in eastern Mongolia and the capital of Sükhbaatar Province. The town with its vicinities creates a sum (district) of Sükhbaatar Province. The Baruun-Urt sum area is 59 km², population 15,549, population density 265 per km² (2008). It forms an enclave within the surrounding Sükhbaatar sum.