Dumka is a Sub-District (Tehsil/Block/Mandal) in the Dumka District of Jharkhand. As par Census 2011 information the sub-district code of Dumka is 02673. There are about 10 sub-districts in Dumka and Dumka is one of them. Gopikandar, Jama, Jarmundi, Kathikund, Masalia, Ramgarh, Ranishwar, Saraiyahat, Shikaripara etc. are other sub-districts in Dumka.There are about 258 villages in Dumka sub-district, which you can browse from villages list.