Ariyawon is a village in Dumraon tehsil in district of Buxar, Bihar, India. As per the data provided by Census of India in 2011, total population of Ariyawon was 9,978 which includes 5,183 males and 4,795 females. Ariyawon covers 1201.9 ha area. Pincode of Ariyawon is 802119.