Kochadhamin is a Sub-District (Tehsil/Block/Mandal) in the Kishanganj District of Bihar. As par Census 2011 information the sub-district code of Kochadhamin is 01126. There are about 7 sub-districts in Kishanganj and Kochadhamin is one of them. Bahadurganj, Dighalbank, Kishanganj, Pothia, Terhagachh, Thakurganj etc. are other sub-districts in Kishanganj.There are about 145 villages in Kochadhamin sub-district, which you can browse from villages list.