Nilambazar is a Sub-District (Tehsil/Block/Mandal) in the Karimganj District of Assam. As par Census 2011 information the sub-district code of Nilambazar is 02103. There are about 5 sub-districts in Karimganj and Nilambazar is one of them. Badarpur, Karimganj, Patharkandi, Ramkrishna Nagar etc. are other sub-districts in Karimganj.There are about 179 villages in Nilambazar sub-district, which you can browse from villages list.