Bhutan, officially known as the Kingdom of Bhutan, is a landlocked country in South Asia. Located in the Eastern Himalayas, it is bordered by the Tibet Autonomous Region of China in the north, the Chumbi Valley of Tibet, China and the Indian states of Sikkim and West Bengal in the west, and the Indian states of Assam, West Bengal and Arunachal Pradesh in the south and east. Bhutan is geopolitically in South Asia and is the region's second-least-populous nation after the Maldives. Thimphu is its capital and the largest city, while Phuntsholing is its financial center.