Bhutan, officially the Kingdom of Bhutan, is a landlocked country in South Asia at the eastern end of the Himalayas. Bhutan borders China to the north and India to the south, east and west. To the west, it is separated from Nepal by the Indian state of Sikkim; farther south it is separated from Bangladesh by the Indian states of Assam and West Bengal. Bhutan's capital and largest city is Thimphu.