Perungudi is a neighbourhood of Chennai in the state of Tamil Nadu, India. It is situated about 10 kilometres (6.2 mi) south of Adyar. It is bordered on two sides by the Old Mahabalipuram Road and the Perungudi lake. It is situated on the Old Mahabalipuram IT Expressway right in middle of an Information Technology (IT) Estate. It is between Taramani and Thoraipakkam and parallel to Kottivakkam and Palavakkam in the East Coast Road.

Tharamani is an area in the south Indian city of Chennai. It is known for the presence of the city's first IT parks and numerous government educational and research institutions. It is located adjacent to the posh residential area of Adyar and Besant Nagar in South Chennai. It is an Estate with Express IT Companies, making it a massive located neighbourhood in the IT Expressway.