Barauni is an industrial town situated on the bank of the river Ganges in the Begusarai district in the state of Bihar, India. It lies north of the Ganges (Ganga) River.
Barauni Junction is one of the important stations in Bihar and has strategic location. It is a junction and is connected to India's main cities of New Delhi, Kolkata, Mumbai and Chennai via broad gauge routes. Barauni has three railway stations –
Barauni Junction – where trains from Patna side enter and reverse to proceed towards North East (exception is for trains coming from Samastipur and Hajipur side where reversal is not needed),
NH 122 starts from Barauni and leads to Lucknow via Muzaffarpur. NH 31 passes through the town and leads to Purnia and Guwahati in East and Patna in west. Both National Highways have junction here. Previously, it is the only route for Northeast India that's why it was called Assam Road.