Maraiyur is a village in Mayiladuthurai tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Maraiyur was 1,343 which includes 616 males and 727 females. Maraiyur covers 245.41 ha area. Pincode of Maraiyur is 609806.