Zamiin Uud

Zamiin Uud is a sum (district) and town of Dornogovi Province in southeastern Mongolia.   4.5 km from the Mongolian border. The Zamyn-Uud station, located in the soum, is the sole railway connecting Mongolia and China and is connected to the Erlian city of the People's Republic of China. Area of 486.8 km². It has 14,473 people.

Zamiin Uud sum is located:

• 673 km from Ulaanbaatar,
• 218 km from the province center.