Periyar Nagar Extension is an neighbourhood in Sigamani Nagar, Madipakkam, Chennai south, Chennai, Chennai District, Tamil Nadu, India. Madipakkam (0.0 Km), Adambakkam (2.88 Km), Keelakattalai (2.95 Km), Velachery (3.15 Km), Nanganallur (3.61 Km) are the nearby areas to Periyar Nagar Extension. Ramapuram, Sri Ambal Nagar, Chittibabu Nagar, Thirusulam, Meenambakkam, Nemilicherry, Chennai, Meenampakkam are the nearby cities to Periyar Nagar Extension.