Dhaka District is a district in central Bangladesh, and is the densest district in the nation. It is a part of the Dhaka Division. Dhaka, the capital of Bangladesh, and rests on the eastern banks of the Buriganga River which flows from the Turag to the southern part of the district. While Dhaka occupies only about a fifth of the area of Dhaka district, it is the economic, political and cultural centre of the district and the country. Dhaka District consists of Dhaka, Keraniganj, Nababganj, Dohar, Savar and Dhamrai upazila. Dhaka District is an administrative entity, and like many other cities, it does not cover the modern conurbation which is Greater Dhaka, which has spilled into neighbouring districts, nor does the conurbation cover the whole district, as there are rural areas within the district.

Manikganj is a district in central Bangladesh and part of the Dhaka Division. Established in 1845, it was a subdivision of Faridpur District until, in 1953, it was transferred to Dhaka District for administrative purposes. In 1984, Manikganj was declared a full district.