Chandauli is a town and a nagar panchayat in Chandauli district in the state of Uttar Pradesh, India. It is the administrative headquarters of Chandauli District. Chandauli became a separate district for the first time on May 20, 1997. However, after coming into power, Mulayam Singh Yadav dissolved it on January, 2004 and ensured its merger again in Varanasi. But, the decision was challenged in the high court after which its recreation was ensured on June 17, 2004