The Khulna Division is the second largest of the eight divisions of Bangladesh. It has an area of 22,285 km2 (8,604 sq mi) and a population of 17,416,645 at the 2022 Bangladesh census. Its headquarters and largest city is Khulna city in Khulna District.

Khulna is the third-largest city in Bangladesh, after Dhaka and Chittagong. It is the administrative center of the Khulna District and the Khulna Division. Khulna's economy is the third-largest in Bangladesh, contributing $53 billion in gross regional domestic product and $95 billion in purchasing power parity (PPP) in 2020. In the 2024 census, the city corporation area had a population of 884,445.