Bandarban (Bengali: বান্দরবান, lit. "dam of monkeys"), also called Rwadawmro (Burmese: ရွာတော်မြို့) in the Marma and Arakanese languages, is a district in South-Eastern Bangladesh, and a part of the Chittagong Division. It is one of the three hill districts of Bangladesh and a part of the Chittagong Hill Tracts, the others being Rangamati District and Khagrachhari District. Bandarban city is the headquarter of the Bandarban district. Bandarban district (4,479 km²) is not only the most remote district of the country but also is the least populous (population 292,900). There is an army contingent at Bandarban Cantonment.