Pattazhy is a village in Pathanapuram tehsil in district of Kollam, Kerala, India. As per the data provided by Census of India in 2011, total population of Pattazhy was 17,718 which includes 8,208 males and 9,510 females. Pattazhy covers 1925 ha area. Pincode of Pattazhy is 691522.