Narhar Sarai is a village in Marwan tehsil in district of Muzaffarpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Narhar Sarai was 1,999 which includes 1,059 males and 940 females. Narhar Sarai covers 183 ha area. Pincode of Narhar Sarai is N/A.