A Gudalur is a village in Tirukkoyilur tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of A Gudalur was 2,355 which includes 1,182 males and 1,173 females. A Gudalur covers 359.95 ha area. Pincode of A Gudalur is 605755.