Tamnar is a Sub-District (Tehsil/Block/Mandal) in the Raigarh District of Chhattisgarh. As par Census 2011 information the sub-district code of Tamnar is 03266. There are about 9 sub-districts in Raigarh and Tamnar is one of them. Baramkela, Gharghoda, Kharsia, Lailunga, Pusour, Raigarh, Sarangarh, Udaipur etc. are other sub-districts in Raigarh.There are about 116 villages in Tamnar sub-district, which you can browse from villages list.