Obra is a Sub-District (Tehsil/Block/Mandal) in the Aurangabad District of Bihar. As par Census 2011 information the sub-district code of Obra is 01480. There are about 11 sub-districts in Aurangabad and Obra is one of them. Aurangabad, Barun, Daudnagar, Deo, Goh, Haspura, Kutumba, Madanpur, Nabinagar, Rafiganj etc. are other sub-districts in Aurangabad.There are about 145 villages in Obra sub-district, which you can browse from villages list.