Tripura is a state in northeastern India. The third-smallest state in the country, it covers 10,491 km2 (4,051 sq mi); and the seventh-least populous state with a population of 3.67 million. It is bordered by Assam and Mizoram to the east, and by Bangladesh to the north, south and west. Tripura is divided into eight districts and 23 sub-divisions, where Agartala is the capital and the largest city in the state. Tripura has 19 different tribal communities with a majority Bengali population. Bengali, Kokborok, and English are the state's official languages.