Rahui is a Sub-District (Tehsil/Block/Mandal) in the Nalanda District of Bihar. As par Census 2011 information the sub-district code of Rahui is 01382. There are about 20 sub-districts in Nalanda and Rahui is one of them. Asthawan, Ben, Bihar, Bind, Chandi, Ekangarsarai, Giriak, Harnaut, Hilsa, Islampur, Karai Parsurai, Katrisarai, Nagar Nausa, Noorsarai, Parbalpur, Rajgir, Sarmera, Silao, Tharthari etc. are other sub-districts in Nalanda.There are about 65 villages in Rahui sub-district, which you can browse from villages list.