Dadi is a Sub-District (Tehsil/Block/Mandal) in the Hazaribagh District of Jharkhand. As par Census 2011 information the sub-district code of Dadi is 02659. There are about 16 sub-districts in Hazaribagh and Dadi is one of them. Barhi, Barkagaon, Barkatha, Bishungarh, Chalkusa, Chauparan, Churchu, Daru, Hazaribag, Ichak, Katamdag, Katkamsandi, Keredari, Padma, Tati Jhariya etc. are other sub-districts in Hazaribagh.There are about 28 villages in Dadi sub-district, which you can browse from villages list.