Sonbhadra or Sonebhadra is the largest district of Uttar Pradesh, India. The district has an area of 6788 km² and a population of 1,463,468 (2001 census), with a population density of 216 persons per km². It lies in the extreme southeast of the state, and is bounded by Mirzapur District to the northwest, Chandoli District to the north, Bihar state to the northeast, Jharkhand state to the east, Chhattisgarh state to the south, and Madhya Pradesh state to the west. The district headquarters is in the town of Robertsganj.
Tourist Place : Vijaygarh Fort, Aghorigarh Fort, Sodharigarh Durg, Shivdwar Temple, Jwaladevi Temple, Kundeshwar Mahadev Temple, Renukeshwar Mahadev Temple, Radha Krishna Temple, Geeta Temple, Mukha Water Fall, Rihand Dam, Dhanraul Dam, Sarnath, Vindhyanchal Temple, Chunar Fort, Rajdari - Devdari, Vindham Fall.