Dharhara is a Sub-District (Tehsil/Block/Mandal) in the Munger District of Bihar. As par Census 2011 information the sub-district code of Dharhara is 01359. There are about 9 sub-districts in Munger and Dharhara is one of them. Asarganj, Bariarpur, Jamalpur, Kharagpur, Munger, Sangrampur, Tarapur, Tetiha Bambor etc. are other sub-districts in Munger.There are about 136 villages in Dharhara sub-district, which you can browse from villages list.