Udhayam Nagar 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 Udhayam Nagar. Ramapuram, Chennai are the nearby cities to Udhayam Nagar.