West Bengal is a state in the eastern region of India and is the nation’s fourth-most populous. It is also the seventh-most populous sub-national entity in the world, with over 91 million inhabitants. Spread over 34,267 sq mi, it is bordered by the countries of Nepal, Bhutan, and Bangladesh, and the Indian states of Odisha, Jharkhand, Bihar, Sikkim, and Assam. The state capital is Kolkata (formerly Calcutta).