West Bengal / / (Bengali: পশ্চিমবঙ্গ, Bengali pronunciation: [pɔʃtʃimbɔŋɡɔ], lit. "Western Bengal") is a state in the eastern region of India and is the nation's fourth-most populous, with over 91 million inhabitants. Spread over 34,267 sq mi (88,750 km2), it is bordered by the countries of Bangladesh, Nepal and Bhutan, and the Indian states of Odisha, Jharkhand, Bihar, Sikkim, and Assam. The state capital is Kolkata. Together with the neighboring nation of Bangladesh and parts of the state of Tripura, it makes up the ethno-linguistic region of Bengal.