Diglipur is the largest town on North Andaman Island within the Andaman Archipelago in India. It serves as a county (tehsil) of the North and Middle Andaman District of the Andaman and Nicobar Islands union territory. The town is situated at an elevation of 43 metres above sea level, located approximately 298 kilometres north of Port Blair on the southern side of Aerial Bay.
The geography of Diglipur is characterized by its proximity to Saddle Peak, the highest point in the archipelago, which lies about 10 km to the south. The town is crossed by the Kalpong River, which is the only river found in the Andaman islands. As of the 2001 census, the area covered 884 square kilometres with a population of 42,877 people.