Mattavettu is a village in Polur tehsil in district of Tiruvannamalai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Mattavettu was 2,999 which includes 1,520 males and 1,479 females. Mattavettu covers 782.98 ha area. Pincode of Mattavettu is 606908.