Chittagong Division officially Chattogram Division, is geographically the most largest of the eight administrative divisions of Bangladesh. It covers the south-easternmost areas of the country, with a total area of 34,529.97 km and a population according to the 2022 census of 33,202,326. The administrative division includes mainland Chittagong District, neighbo…Chittagong Division officially Chattogram Division, is geographically the most largest of the eight administrative divisions of Bangladesh. It covers the south-easternmost areas of the country, with a total area of 34,529.97 km and a population according to the 2022 census of 33,202,326. The administrative division includes mainland Chittagong District, neighbouring districts and the Chittagong Hill Tracts.