Periyakottaikadu is a village in Orathanadu tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Periyakottaikadu was 1,428 which includes 679 males and 749 females. Periyakottaikadu covers 563.65 ha area. Pincode of Periyakottaikadu is 614628.