Danapur Nizamat, commonly known as Danapur, is an Indian satellite town located in the Patna district of Bihar state. It serves as one of six subdivisions (tehsil) within the district and is a constituent part of the Patna Metropolitan Region. The town was officially constituted as a municipality in 1887.
According to the 2011 India Census, the population of Danapur was 182,241. The area is notable for hosting the Sub-Area Headquarters of Bihar and Jharkhand within its army cantonment. Additionally, it serves as a significant shelter and hatchery for migrating Siberian cranes, known locally as Janhgil, which visit annually during the monsoon season to breed before departing at the start of winter.