Zamyn-Üüd is a sum (district) of Dornogovi Province

Dornogovi Province

Dornogovi is one of the 21 Aimags of Mongolia. It is located in the southeast of the country.-Administrative Subdivision:* - tosgon .** - The aimag capital Sainshand-References:...

 in southeastern Mongolia

Mongolia

Mongolia is a landlocked country in East and Central Asia. It is bordered by Russia to the north and China to the south, east and west. Although Mongolia does not share a border with Kazakhstan, its western-most point is only from Kazakhstan's eastern tip. Ulan Bator, the capital and largest...

.

The population of Zamyn-Üüd was 11,527 in 2008.

Zamyn-Üüd actual name comes from the former Dzamiin Üüde settlement (abandoned) located 101 km NW from the modern town .

The town is located on the old trade route between Beijing

Beijing

Beijing , also known as Peking , is the capital of the People's Republic of China and one of the most populous cities in the world, with a population of 19,612,368 as of 2010. The city is the country's political, cultural, and educational center, and home to the headquarters for most of China's...

 and Urga/Ulaanbaatar

Ulaanbaatar

Ulan Bator or Ulaanbaatar is the capital and largest city of Mongolia. An independent municipality, the city is not part of any province, and its population as of 2008 is over one million....

, and is now the most important border crossing between Mongolia

Mongolia

Mongolia is a landlocked country in East and Central Asia. It is bordered by Russia to the north and China to the south, east and west. Although Mongolia does not share a border with Kazakhstan, its western-most point is only from Kazakhstan's eastern tip. Ulan Bator, the capital and largest...

 and the People's Republic of China

People's Republic of China

China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

, via Ereen

Erenhot

Erenhot is a city located in the Gobi Desert, in the Xilin Gol league of the Inner Mongolia Autonomous Region of the People's Republic of China . It has 16,330 inhabitants and the elevation is...

. The border control counted more than 950,000 border crossings in 2004.
In April 2007, the construction of a 432 km long paved road from Choir

Choir (city)

Choir is a city in Mongolia. It is the capital of Govisümber Province, in the east-central part of the country. Choir is a center of the Sümber sum of Govisümber Province.- Population :...

 to Zamyn-Üüd via Sainshand began. Completion is planned for October 2007.

The "Zamyn-Uud" Free Economic Zone was officially created in 2004. It has an area of 900 ha and is located between Zamyn-Üüd settlement and the Chinese border