Tharangambadi, formerly Tranquebar, is a town in the Mayiladuthurai district of the Indian state of Tamil Nadu on the Coromandel Coast. It lies 15 kilometres north of Karaikal, near the mouth of a distributary named Uppanar of the Kaveri River. Tranquebar was established on 19 November 1620 as the first Danish trading post in India. King Christian IV had sent his envoy Ove Gjedde who established contact with Raghunatha Nayak of Tanjore.