Ujiarpur is a Sub-District (Tehsil/Block/Mandal) in the Samastipur District of Bihar. As par Census 2011 information the sub-district code of Ujiarpur is 01298. There are about 20 sub-districts in Samastipur and Ujiarpur is one of them. Bibhutpur, Bithan, Dalsinghsarai, Hasanpur, Kalyanpur, Khanpur, Mohanpur, Mohiuddinagar, Morwa, Patori, Pusa, Rosera, Samastipur, Sarairanjan, Shivaji Nagar, Singhia, Tajpur, Vidyapati Nagar, Warisnagar etc. are other sub-districts in Samastipur.There are about 62 villages in Ujiarpur sub-district, which you can browse from villages list.