Dhaka, also spelled Dacca, city and capital of Bangladesh. It is located just north of the Buriganga River, a channel of the Dhaleswari River, in the south-central part of the country. Dhaka is Bangladesh’s most populous city and is one of the largest metropolises in South Asia. Pop. (2001) city, 5,333,571; metro. area, 9,672,763; (2011) city, 7,033,075; metro. area, 14,543,124.