Ramnagar is a Sub-District (Tehsil/Block/Mandal) in the Pashchim Champaran District of Bihar. As par Census 2011 information the sub-district code of Ramnagar is 01014. There are about 18 sub-districts in Pashchim Champaran and Ramnagar is one of them. Bagaha, Bairia, Bettiah, Bhitaha, Chanpatia, Gaunaha, Jogapatti, Lauriya, Madhubani, Mainatanr, Majhaulia, Narkatiaganj, Nautan, Piprasi, Sidhaw, Sikta, Thakrahan etc. are other sub-districts in Pashchim Champaran.There are about 142 villages in Ramnagar sub-district, which you can browse from villages list.