Santhosh Nagar is an sublocality in Kolathur, Chennai North, Chennai, Tiruvallur District , Tamil Nadu, India. Kolathur (0.0 Km), Retteri Lake (3.19 Km), Ponniammanmedu (3.38 Km), Surapet (3.92 Km), Villivakkam (4.11 Km) are the nearby areas to Santhosh Nagar. Pammadukulam, Manjampakkam, Chettimedu, Puthagaram, Vadagarai, Payasambakkam, Lyon, Athivakkam, Chennai are the nearby cities to Santhosh Nagar.