Lanka is a Sub-District (Tehsil/Block/Mandal) in the Nagaon District of Assam. As par Census 2011 information the sub-district code of Lanka is 02040. There are about 10 sub-districts in Nagaon and Lanka is one of them. Dhing, Doboka, Hojai, Kaliabor, Kampur, Nagaon, Raha, Rupahi, Samaguri etc. are other sub-districts in Nagaon.There are about 182 villages in Lanka sub-district, which you can browse from villages list.