Ratanpura is a census town in the Mau district of Uttar Pradesh. It is located about 25 kilometres east of the district headquarters, Mau, and 47 Kilometres west of Ballia. It is a development block headquarter, which comes under the Mau Sadar Tehsil. The town is situated between the middle of Mau and Ballia. The State Highway 34 passes through Ratanpura. Earlier it was a part of Ballia district, but since 19 November 1988 it became the part of newly constituted Mau District. The town has its own Railway station managed by North Eastern Railway (India) in its name which has connecting trains to Mau, Varanasi, Ballia, Lucknow, Kanpur, Azamgarh, Chhapra and Dhanbad stations to name a few.