Sasaram is a Sub-District (Tehsil/Block/Mandal) in the Rohtas District of Bihar. As par Census 2011 information the sub-district code of Sasaram is 01471. There are about 19 sub-districts in Rohtas and Sasaram is one of them. Akorhi Gola, Bikramganj, Chenari, Dawath, Dehri, Dinara, Karakat, Kargahar, Kochas, Nasriganj, Nauhatta, Nokha, Rajpur, Rohtas, Sanjhauli, Sheosagar, Suryapura, Tilouthu etc. are other sub-districts in Rohtas.There are about 160 villages in Sasaram sub-district, which you can browse from villages list.