Durgasagar dighi is a large dighi belonging to Barisal district, south of Bangladesh. About 12 km north of Barisal city, Swarupkathi – Location of Madhabapala on Barisal road. Only wetland size 27 acres.
The total area of 45.42 acres of land along with the adjoining side and land.  In 1780, fifteenth Raja of Chandradvipa, Shiv Narayan dug this huge reservoir. Durgasagar is named after its wife Durgamati.
In 1974, the Dighi was re-organized by the then government government. At present, Barisal District Administration Dighi is supervising a project called “Durgasagar Dighi Development and Bird Sanctuary”.
The entire dighi is surrounded by a high boundary wall. There are two gates to enter these two sides. In the middle of the dighi there is a small wooded island.
In the winter there is the arrival of guest birds. On the eighth day of Chaitramas, Hindu religious people gathered here for holy baths.