Why it's the capital
The city began in 1639 as a moving Buddhist monastery that changed its location 29 times before settling here for good in 1778. In 1924 it became the capital of the new Mongolian People's Republic.
Capital of MongoliaUlaanbaatar sits in a valley on the Tuul River in north-central Mongolia, at about 1,300 m above sea level, with Bogd Khan Mountain rising to the south.
The city began in 1639 as a moving Buddhist monastery that changed its location 29 times before settling here for good in 1778. In 1924 it became the capital of the new Mongolian People's Republic.
Mongolia lies between Russia and China; aim north of the country's middle, much closer to the Russian border than to the Chinese one, and northwest of Beijing.
Sources: Wikipedia: Ulaanbaatar