Kollankinaru is a village in Ottapidaram tehsil in district of Thoothukkudi, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kollankinaru was 1,257 which includes 627 males and 630 females. Kollankinaru covers 921.34 ha area. Pincode of Kollankinaru is 628302.