Baruun-Urt (Mongolian: Баруун-Урт; ᠪᠠᠷᠠᠭᠤᠨ ᠤᠷᠲᠤ, west-long) is a town in eastern Mongolia and the capital of Sükhbaatar Province.

Tömörtiin Ovoo Zinc Mine lies about 13 km north of the town.

The Baruun-Urt Airport (UUN/ZMBU) has paved runway and cars There is a charter flight connecting the city to the capital when there are passengers.

Recently some small airlines which has up to 8 seats started flying to suburban areas.

Baruun-Urt experiences a cold semi-arid climate (Köppen BSk) with long, very dry, frigid winters and short, very warm summers.