Nallazhundur is a village in Thirunallar Taluk tehsil in district of Karaikal, Puducherry, India. As per the data provided by Census of India in 2011, total population of Nallazhundur was 3,575 which includes 1,687 males and 1,888 females. Nallazhundur covers 386.65 ha area. Pincode of Nallazhundur is 609601.