Chandrapur (earlier known as Chanda, the official name until 1964) is a city and a municipal corporation in Chandrapur district, Maharashtra state, India. It is the district headquarters of Chandrapur district. Chandrapur is a fort city founded by Khandkya Ballal Sah, a Gond king of the 13th century. The city sits at the confluence of the Erai river and Zarpat river. The area around the city is rich in coal seams.. Hence, Chandrapur is also known as the "Black Gold City".