Sonbhadra or
Sonebhadra is the 2nd largest
district of
Uttar Pradesh,
India.Sonbhadra is the only district in India which borders four states namely
Madhya Pradesh,
Chhattishgarh Jharkhand and
Bihar.The district has an area of 6788 km² and a population of 1,862,559 (2011 census), with a population density of 270 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,
Kaimur and
Rohtas districts of
Bihar state to the northeast,
Garhwa district of
Jharkhand state to the east,
Koriya and
Surguja districts of
Chhattisgarh state to the south, and
Singrauli district of
Madhya Pradesh state to the west. The district headquarters is in the town of
Robertsganj.Sonbhadra district is an industrial zone and it has lots of minerals like bauxite, limestone, coal,gold etc.Sonbhadra is called as Energy Capital of India because there are so many power plants.