Countries and territories where Bengali is an official language

Bangladesh, officially the '''People's Republic of Bangladesh''', is a country in South Asia. It is the eighth-most populous country in the world and among the most densely populated with a population of over 174 million within an area of . Bangladesh shares land borders with India to the north, west, and east, and Myanmar to the southeast. It has a coastline along the Bay of Bengal to its south and is separated from Bhutan and Nepal by the Siliguri Corridor, and from China by the Indian state of Sikkim to its north. Dhaka, the capital and largest city, is the nation's political, financial, an

Indian state

Tripura () is a state in northeastern India. The third-smallest state in the country, it covers ; 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.

Jharkhand (, ; ) is a landlocked state in eastern India. The state shares borders with the states of West Bengal to the east, Chhattisgarh to the west, Uttar Pradesh to the northwest, Bihar to the north and Odisha to the south. It is the 15th largest state by area, and the 14th largest by population. Hindi is the official language of the state. The city of Ranchi is its capital, and Dumka its sub-capital. The state is known for its waterfalls, hills and holy places; Baidyanath Dham, Parasnath, Dewri and Rajrappa are major religious sites. As per 2011 census, Jharkhand is primarily rural, with