Hasanganj is a Sub-District (Tehsil/Block/Mandal) in the Katihar District of Bihar. As par Census 2011 information the sub-district code of Hasanganj is 01144. There are about 16 sub-districts in Katihar and Hasanganj is one of them. Amdabad, Azamnagar, Balrampur, Barari, Barsoi, Dandkhora, Falka, Kadwa, Katihar, Korha, Kursela, Manihari, Mansahi, Pranpur, Sameli etc. are other sub-districts in Katihar.There are about 38 villages in Hasanganj sub-district, which you can browse from villages list.