Areraj is a town and a notified area in East Champaran district in the state of Bihar, India.

We can say a mini BHU due to many educational institutions resided in single campus.

Visiting places include 'Ashoka stambha', Lauria and 'Sri Someshwar Nath Mahadev Temple' etc.

Areraj is going to connect on Indian Railway MAP through Hajipur-Sagauli proposed rail line.

Climate is characterised by high temperatures and evenly distributed precipitation throughout the year.