Thyagaraya Nagar, commonly known as T. Nagar, and historically known as East Mambalam,[1] is a very affluent commercial and residential neighbourhood in Chennai, Tamil Nadu, India. It is surrounded by Nungambakkam in the North, Teynampet in the East, Nandanam in the South-East, C.I.T. Nagar (a part of Greater Nandanam region) in the South and West Mambalam and Kodambakkam in the West.