Nasriganj is a Sub-District (Tehsil/Block/Mandal) in the Rohtas District of Bihar. As par Census 2011 information the sub-district code of Nasriganj is 01463. There are about 19 sub-districts in Rohtas and Nasriganj is one of them. Akorhi Gola, Bikramganj, Chenari, Dawath, Dehri, Dinara, Karakat, Kargahar, Kochas, Nauhatta, Nokha, Rajpur, Rohtas, Sanjhauli, Sasaram, Sheosagar, Suryapura, Tilouthu etc. are other sub-districts in Rohtas.There are about 53 villages in Nasriganj sub-district, which you can browse from villages list.