Sibsagar is a Sub-District (Tehsil/Block/Mandal) in the Sivasagar District of Assam. As par Census 2011 information the sub-district code of Sibsagar is 02071. There are about 6 sub-districts in Sivasagar and Sibsagar is one of them. Amguri, Dimow, Mahmora, Nazira, Sonari etc. are other sub-districts in Sivasagar.There are about 136 villages in Sibsagar sub-district, which you can browse from villages list.