Abstract: Nagapattinam is one of major port cities in Tamil Nadu. It became a well-known city during the period of Pallavas and Medival Coøas. Many foreign travellers used to reach Tamil Nadu via Nagapattinam. Buddhism rose to prominence in Nagapattinam because many Chinese travellers visited this place for their business purposes. This paper will discuss the importance of Nagapattinam as a Buddhist centre.