Begusarai is a city and a municipal corporation in Begusarai district in the state of Bihar, India. Begusarai district is one of the thirty-eight districts of Bihar and Begusarai city is the administrative headquarters of this district. It the fastest growing and developing city.The city lies on the northern bank of the Ganges river . It is located at latitudes 25.15N & 25.45N and longitudes 85.45E & 86.36E.