Sylhet is a city in eastern Bangladesh, on the Surma River. Itâs known for its Sufi shrines, like the ornate tomb and mosque of 14th-century saint Hazrat Shah Jalal, now a major pilgrimage site near Dargah Gate. The tiny Museum of Rajas contains belongings of the local folk poet Hasan Raja. A 3-domed gateway stands at the 17th-century Shahi Eidgah, a huge open-air hilltop mosque built by Emperor Aurangzeb