Chidambaram is a significant town and municipality located in the Cuddalore district of Tamil Nadu, India. It sits on the banks of the Vellar River, where it meets the Bay of Bengal, and serves as the headquarters of the Chidambaram taluk. The town is believed to have ancient origins and has been ruled by various empires throughout history, including the Pallavas until the ninth century, Medieval Cholas, Later Cholas, Later Pandyas, the Vijayanagara Empire, Thanjavur Nayakas, Marathas, and the British.

The town is renowned for its rich cultural heritage, particularly its ancient Dravidian architecture and majestic Gopurams. It is a prominent temple town, with the Chidambaram Natarajar Temple being its most famous landmark. This temple, dedicated to Lord Shiva, is a significant pilgrimage site, especially for Shaivites. The town’s history, architectural marvels, and religious importance make it a unique and revered destination.