About Sonbhadra
Sonbhadra or Sonebhadra is the second largest district by area of Uttar Pradesh after Lakhimpur Kheri. It is the only district in India which borders four states, namely Madhya Pradesh to the west, Chhattisgarh to the south, Jharkhand in the south-east and Bihar to the north-east. It lies in the extreme south-east of the state, and is bounded by Mirzapur District to the northwest, Chandauli District to the north, Kaimur and Rohtas districts of Bihar state to the north-east, Garhwa district of Jharkhand state to the east, Balrampur District of Chhattisgarh state to the south, and Singrauli district of Madhya Pradesh state to the west. Sonbhadra district is an industrial zone and it has much bauxite, limestone, coal, gold, etc. It is called the "Energy Capital of India.
Source: Wikipedia