Roh is a Sub-District (Tehsil/Block/Mandal) in the Nawada District of Bihar. As par Census 2011 information the sub-district code of Roh is 01517. There are about 14 sub-districts in Nawada and Roh is one of them. Akbarpur, Gobindpur, Hisua, Kashi Chak, Kawakol, Meskaur, Nardiganj, Narhat, Nawada, Pakribarawan, Rajauli, Sirdala, Warisaliganj etc. are other sub-districts in Nawada.There are about 77 villages in Roh sub-district, which you can browse from villages list.