Sylhet is a metropolitan city in the north eastern region of Bangladesh. It serves as the administrative centre for both the Sylhet District and the Sylhet Division. The city is situated on the banks of the Surma River and, as of 2025, the metro area population of Sylhet is estimated to be 1,033,000, reflecting a 3.4% increase from 2024. This makes it the third-largest urban area in Bangladesh.