Hariharpur Narayan Urf Mahua is a village in Nanpur tehsil in district of Sitamarhi, Bihar, India. As per the data provided by Census of India in 2011, total population of Hariharpur Narayan Urf Mahua was 2,040 which includes 1,050 males and 990 females. Hariharpur Narayan Urf Mahua covers 143.92 ha area. Pincode of Hariharpur Narayan Urf Mahua is 843333.