1st Block is an neighbourhood in TNHB, Thiruvur, Chennai, Tiruvallur District , Tamil Nadu, India. Sevvapet (0.0 Km), Veppampattu (5.15 Km), Perumalpattu (6.94 Km), Thirunindravur (9.8 Km), Ponniammanmedu (10.4 Km) are the nearby areas to 1st Block. Sirukadal, Putlur, Tirur, Sirukalathur, Chennai, Ullasa Nagar, Vathattur, Thandalam, Pethnapalli, Puliyur Kandigai, Thottikalai, Kakkalur, Koppur, Thiruvur, Murukanchery are the nearby cities to 1st Block.