Chennai, formerly known as Madras, is the capital of Tamil Nadu and a prominent cultural, economic, and educational hub in South India. Located on the southeastern coast along the Bay of Bengal, Chennai boasts a rich historical legacy, from ancient empires like the Pallavas and Cholas to its development as a key British colonial port. The city is renowned for its diverse economy, encompassing industries such as information technology, automobile manufacturing, and healthcare, earning it the nickname "Detroit of India." Culturally vibrant, Chennai is a centre for classical music, dance, and Tamil literature, and hosts numerous festivals that reflect its traditional heritage.