Agradigun is the village of Sapahar Upazila and Sapahar is under Naogaon, a district of Rajshahi division. It’s area is about 244.49 km2 (94.40 sq. mi).In Sapahar, there is a dighi named Dibar Dighi which is The amazingly intact granite stone pillar in the middle of the Dibar Dighi excavated during the Pala period bears witness to the heroism of the Bengalis of the distant past and The lake is located on 40/50 bighas or 1/2 square mile of land. Dibar Dighi is located in the middle of Dibar Dighi which is an octagonal granite stone. The total height of this pillar is 31 feet 6 inches.