Bhutan, formally the Kingdom of Bhutan, is a landlocked country in South Asia situated in the Eastern Himalayas between China in the north and India in the south. With a population of over 727,145 and a territory of 38,394 square kilometres (14,824 sq mi), Bhutan ranks 133rd in land area and 160th in population. Bhutan is a constitutional monarchy with a king as the head of state and a prime minister as the head of government. The Je Khenpo is the head of the state religion, Vajrayana Buddhism.