Central Chennai is the part of Chennai city between the Coovum River and the Adyar River. While mostly grouped under South Chennai, Central Chennai is a term which has gained currency in recent times due to the rapid expansion of the city southwards. Covering the eastern neighbourhoods of Royapettah, Chepauk, Teynampet, Alwarpet, Mylapore, Triplicane and Mandaveli and the western neighbourhoods of Nungambakkam, Kodambakkam, Vadapalani, Virugambakkam, Valasaravakkam, Mambalam, T. Nagar, Nandanam and Saidapet, Central Chennai is largely upper class-upper middle class. The eastern part is largely upper class with two of the costliest pieces of real estate - the and being located here while the western part is mainly middle class. Kodambakkam is the location of the Tamil film industry or Kol