Ulaanbaatar
Ulaanbaatar, formerly anglicised as Ulan Bator (, , literally "Red Hero"), is the capital and largest city of Mongolia. The city is not part of any aimag (province), and its population was over 1.3 million, almost half of the country's total population. Located in north central Mongolia, the municipality lies at an elevation of about in a valley on the Tuul River. It is the country's cultural, industrial and financial heart, the centre of Mongolia's road network and connected by rail to both the Trans-Siberian Railway in Russia and the Chinese railway system.
Uliastai
Uliastai (; ), also spelled Uliyasutai or Oulia-Sontai, and sometimes known as Javkhlant, is a city in Mongolia located in the western part of the country and from the capital Ulaanbaatar. Uliastai is the capital of Zavkhan Province and was the 10th most populous city in the country with a population of 24,276 (2000 census). However, recent estimates have the city's population at 16,240 (.) making it the 16th most populous city in Mongolia.