Block U is an sublocality in Anna Nagar, Chennai North, Chennai, Chennai District, Tamil Nadu, India. Anna Nagar (0.0 Km), Anna Nagar West Extension (2.32 Km), Anna Nagar West (2.48 Km), Annanagar East (2.7 Km), Padi (3.49 Km) are the nearby areas to Block U. Chennai are the nearby cities to Block U.