Sai Nagar is an sublocality in Porur, Chennai west, Chennai, Tiruvallur District , Tamil Nadu, India. Porur (0.0 Km), Ramapuram (3.47 Km), Valasaravakkam (3.75 Km), Madhanandapuram (4.0 Km), Iyyappanthangal (4.16 Km) are the nearby areas to Sai Nagar. Ramapuram, Adayalampattu, Chennai, Meenampakkam are the nearby cities to Sai Nagar.