Sihaul is a second largest village according to area and population in the Saharsa district in the Indian state of Bihar in northeast India and is in the Kosi Division. Which contains many tola that is Mishra Tola(bapu nagar colony) (Sihaul Middle), Kumar Tola, Poovaria Tola (Sihaul East), chakla, bela , premnagar, verna, rajput tola, muslim tola, mushari,topra,chamrtoli, Pachwaria Tola (Sihaul West) and others.