Located on the Coromandel Coast of the Bay of Bengal is Chennai, the capital of Tamil Nadu and the fourth largest city of India. The Gateway to South India, the city is famous for its temples, beaches, and silk saris. Known earlier as Madraspatnam or Madras, the city of Chennai has grown tremendously from a small trading post under the British to a bustling metropolis. It is now a large commercial and industrial centre also known for its rich cultural heritage and temple architecture.