The capital of Mongolia is Ulan Bator, which was founded 1639. Ulan Bator has been the capital since 1911.
Ulan Bator is the largest city in Mongolia and functions as: Houses the parliament.
Ulan Bator is located at 47.8864° N, 106.9057° E, at an elevation of 4,429′ ft.
Source: https://flic.kr/p/htcdXA