Sylhet is a metropolitan city located in the northeastern region of Bangladesh. It serves as the primary administrative center for both the Sylhet District and the Sylhet Division. The city is geographically situated along the banks of the Surma River.
As of 2025, the metro area population of Sylhet is estimated at 1,033,000, representing a 3.4% increase from the previous year. This population size establishes Sylhet as the third-largest urban area in Bangladesh.