Besi Baijnath is a village in Aurai tehsil in district of Muzaffarpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Besi Baijnath was 1,278 which includes 640 males and 638 females. Besi Baijnath covers 83 ha area. Pincode of Besi Baijnath is 843312.