Derawar Fort is a fortress in Ahmadpur East Tehsil of Bahawalpur District in the Punjab, Pakistan. Approximately 20 km south of the city of Ahmedpur East, the forty bastions of Derawar are visible for many miles in the Cholistan Desert. The walls have a perimeter of 1500 metres and stand up to thirty metres high.

Bahawalpur District is a district of Punjab, Pakistan, with capital the city of Bahawalpur. According to the 1998 Census it had a population of 2,433,091, of which 27.01% were urban. Bahawalpur district covers 24,830 km2. Approximately two-thirds of the district (16,000 km2) is covered by the Cholistan Desert, which extends into the Thar Desert of India. The district is a major producer of cotton.