Jhajjar is a Sub-District (Tehsil/Block/Mandal) in the Jhajjar District of Haryana. As par Census 2011 information the sub-district code of Jhajjar is 00409. There are about 4 sub-districts in Jhajjar and Jhajjar is one of them. Bahadurgarh, Beri, Matenhail etc. are other sub-districts in Jhajjar.There are about 102 villages in Jhajjar sub-district, which you can browse from villages list.