Bandarban (Bengali:বান্দরবান) is a district in South-Eastern Bangladesh, and a part of the Chittagong Division and the Chittagong Hill Tracts. Bandarban (meaning "the dam of monkeys") is also known as Arvumi or the Bohmong Circle (of the rest of the three hill districts Rangamati is the Chakma Circle and Khagrachari is the Mong Circle).