Mehsi is a Sub-District (Tehsil/Block/Mandal) in the Purba Champaran District of Bihar. As par Census 2011 information the sub-district code of Mehsi is 01057. There are about 27 sub-districts in Purba Champaran and Mehsi is one of them. Adapur, Areraj, Banjaria, Bankatwa, Chakia, Chiraia, Dhaka, Ghorasahan, Harsidhi, Kalyanpur, Kesaria, Kotwa, Madhuban, Motihari, Narkatia, Paharpur, Pakri Dayal, Patahi, Phenhara, Piprakothi, Ramgarhwa, Raxaul, Sangrampur, Sugauli, Tetaria, Turkaulia etc. are other sub-districts in Purba Champaran.There are about 91 villages in Mehsi sub-district, which you can browse from villages list.