Block A1 is an sublocality in Foreshore Estate, Chennai, Chennai District, India. Foreshore Estate (0.0 Km), Santhome (1.31 Km), Mandaveli (1.92 Km), Jeth Nagar (1.99 Km), Raja Annamalai Puram (2.11 Km) are the nearby areas to Block A1. Chennai are the nearby cities to Block A1.