Koramangala 1A Block is an neighbourhood in Koramangala, South Bangalore, Bangalore, Bangalore Urban District, Karnataka, India. Koramangala (0.0 Km), Ejipura (1.8 Km), Vivek Nagar (3.48 Km), BTM Layout (3.9 Km), HSR Layout (4.39 Km) are the nearby areas to Koramangala 1A Block. Bangalore are the nearby cities to Koramangala 1A Block.