Thakrahan is a Sub-District (Tehsil/Block/Mandal) in the Pashchim Champaran District of Bihar. As par Census 2011 information the sub-district code of Thakrahan is 01023. There are about 18 sub-districts in Pashchim Champaran and Thakrahan is one of them. Bagaha, Bairia, Bettiah, Bhitaha, Chanpatia, Gaunaha, Jogapatti, Lauriya, Madhubani, Mainatanr, Majhaulia, Narkatiaganj, Nautan, Piprasi, Ramnagar, Sidhaw, Sikta etc. are other sub-districts in Pashchim Champaran.There are about 13 villages in Thakrahan sub-district, which you can browse from villages list.