Nallathur A is a village in Tirukalukundram tehsil in district of Kancheepuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nallathur A was 1,684 which includes 820 males and 864 females. Nallathur A covers 368.26 ha area. Pincode of Nallathur A is 603102.