Block A is a locality within South Extension I, South Delhi, Delhi. Block A has a pincode of 110049. Nearby localities of Block A include Block A, Block B, Block D, Block F, Block E, Trilok Colony, Saini Basti, Block H, Block C, Shiv Nagar, Block N, Samrat Mihir Bhoj Gurjar Chowk, Block K, Block G, Aliganj, Maharaja Aggersen Chowk, Block D, Block J, New Basti, Arya Basti, Zafar Nagar, Kotla Mubarakpur, Block N, Arjun Nagar, Ch. Mahender Singh Chowk, Bhola Nagar, Wazir Nagar, Defence Colony, Block A, Priyanshu Baisoya Chowk