Areraj is a well known name in East Champaran district of Bihar.
Areraj is located 30 KM from Motihari, the headquarter of East Champaran district.
Areraj is famous for old Someshwar Nath Temple, there is a small pond next to this Temple.
Transport services are available from Areraj Chowk. Frequent bus services are avilable for Motihari, Bettiah, Muzaffarpur, Patna.
Areraj had a population of 20,245 with males constituting 52% of the population and females 48% as per 2001 India census.Areraj has an average literacy rate of 45%, lower than the national average of 59.5%.
Areraj comes under Govindganj Vidhan Sabha constituency.
Telephone code (STD code) for Areraj is 06258.
In Srawan Mahina (August) Areraj is full of pilgrims, In this month people use to worship Lord Shiva.
Someshwar Nath Temple, Durga Mandir are highlight of Areraj.
Areraj Sub division mainly consists of 4 blocks, which are as follows -