Arazi Mahdewa is a village in Bathnaha tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Arazi Mahdewa was 355 which includes 189 males and 166 females. Arazi Mahdewa covers 26.05 ha area. Pincode of Arazi Mahdewa is N/A.