Punnaikkayal (called Punicale by the Portuguese), is a harbour city in Tamil Nadu, India.

Punnaikkayal was the site of an Ottoman attack against the Portuguese possessions of the coast of India in 1553.

The Ottomans raided the Pearl Fishery Coast of South India around Tuticorin, where the Portuguese were attempted to establish trade.

They were assisted by the Marakkar Muslims of Malabar, and had the tacit agreement of Vittula Nayak of Madurai.

Society of Jesus) in the 16th Century and to print the book titled "Flos Sanctorum" (Adiyar Varalaaru) in Tamil language in 1586, as Universel Achievers book of Records ISO Official world record certification organization Confirmed on 18th November, 2021.