B4 Block is an sublocality in Safdarjung Enclave, South Delhi, New Delhi, India. Safdarjung Enclave (0.0 Km), Arjun Nagar (0.98 Km), Green Park Extension (1.63 Km), Green Park (1.67 Km), Ber Sarai (2.56 Km) are the nearby areas to B4 Block. New Delhi are the nearby cities to B4 Block.