Khagaria is a city in India, and the administrative headquarters of Khagaria district. Khagaria is a part of Munger division. The town has a major railway junction on the Barauni–Guwahati line of the Indian Railways. National Highway 31 which connects rest of the India to Northeast India passes through this town. It is connected to other parts of Bihar by another rail line to Saharsa and Samastipur.