Gaunaha is a Sub-District (Tehsil/Block/Mandal) in the Pashchim Champaran District of Bihar. As par Census 2011 information the sub-district code of Gaunaha is 01015. There are about 18 sub-districts in Pashchim Champaran and Gaunaha is one of them. Bagaha, Bairia, Bettiah, Bhitaha, Chanpatia, Jogapatti, Lauriya, Madhubani, Mainatanr, Majhaulia, Narkatiaganj, Nautan, Piprasi, Ramnagar, Sidhaw, Sikta, Thakrahan etc. are other sub-districts in Pashchim Champaran.There are about 137 villages in Gaunaha sub-district, which you can browse from villages list.