The Coromandel Coast is the southeastern coastal region of the Indian subcontinent, bounded by the Utkal Plains to the north, the Bay of Bengal to the east, the Kaveri delta to the south, and the Eastern Ghats to the west, extending over an area of about 22,800 square kilometres. The coast has an average elevation of 80 metres and is backed by the Eastern Ghats, a chain of low lying and flat-topped hills.

Karaikal is a city of the Indian Union Territory of Puducherry. It is the administrative headquarters of the Karaikal District and the second most populated city in the Union Territory after Pondicherry. Located on the Coromandel Coast of Bay of Bengal in South India, it is a coastal enclave and is surrounded by the state of Tamil Nadu in the southern region of Indian peninsula.