Sanr Maj is a village in Halsi tehsil in district of Lakhisarai, Bihar, India. As per the data provided by Census of India in 2011, total population of Sanr Maj was 3,502 which includes 1,816 males and 1,686 females. Sanr Maj covers 319.4 ha area. Pincode of Sanr Maj is N/A.