Bhutan, officially the Kingdom of Bhutan, is a landlocked country in South Asia, in the Eastern Himalayas between China to the north and northwest and India to the south and southeast. 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 democratic 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.