Anna Nagar Extension is an sublocality in Velachery, Chennai south, Chennai, Chennai District, Tamil Nadu, India. Velachery (0.0 Km), Adambakkam (2.22 Km), Madipakkam (3.18 Km), Guindy (4.49 Km), Alandur (4.59 Km) are the nearby areas to Anna Nagar Extension. Chennai, Meenampakkam are the nearby cities to Anna Nagar Extension.