The capital of Bhutan is Thimphu, which was founded 1961. Thimphu has been the capital since 1961.
Thimphu is the largest city in Bhutan and functions as: Houses the National Assembly.
Thimphu is located at 27.4728° N, 89.6393° E, at an elevation of 7656' ft.
Source: https://flic.kr/p/rqiEaX