Gopalganj is a district (zila in Bangla) in the Dhaka division (bibhag in Bangla) of Bangladesh. The district has about 1,1 million inhabitants and its surface area is 1.490 km². The main city of the district is also called Gopalganj.

Dhaka Division is an administrative division within Bangladesh. The capital and largest city is Dhaka. The division covers an area of 31,119.97 km², and has a population of 38,678,000 (2000). Dhaka Division bounds the Indian state of Meghalaya to the north, Barisal and Chittagong Divisions on the south, Sylhet and Chittagong Divisions to the east, Rajshahi and Khulna Divisions to the west.

Gopalganj is subdivided into 5 subdistricts (upazila/thana). One of these is again called Gopalganj Sadar. The others are Muksudpur, Kasiani, Kotalipani and Tungipara.

Sheikh Mujibur Rahman, the first prime minister and president of independent Bangladesh, was born in Tungipara, a village in that district.