Nautan is a Sub-District (Tehsil/Block/Mandal) in the Pashchim Champaran District of Bihar. As par Census 2011 information the sub-district code of Nautan is 01030. There are about 18 sub-districts in Pashchim Champaran and Nautan is one of them. Bagaha, Bairia, Bettiah, Bhitaha, Chanpatia, Gaunaha, Jogapatti, Lauriya, Madhubani, Mainatanr, Majhaulia, Narkatiaganj, Piprasi, Ramnagar, Sidhaw, Sikta, Thakrahan etc. are other sub-districts in Pashchim Champaran.There are about 43 villages in Nautan sub-district, which you can browse from villages list.