It is bound by
Sholinganallur to the east,
Semmencherry to the south,
Medavakkam to the north and
Sithalapakkam to the west. It is only a few kilometers from the fast developing IT corridor
OMR of Chennai. ELCOT SEZ Campus which hosts major IT service providers like HCL, Wipro, Tech Mahindra, Cognizant among others is closer to Perumbakkam. Perumbakkam is connected to
Tambaram through the Velachery-Tambaram road and to
Sholinganallur through the Medavakkam-Sholinganallur road. The
Great Trigonometrical Survey, a
Survey of India initiative to survey the whole land mass of India was started from the measurement of a small section of plain land with Perumbakkam Hill on the southern end by Major Lambton in 1802 CE. ==Perumbakkam lake ==