Sector 20A is an neighbourhood in 21A, Sector 21, Chandigarh, Chandigarh Capital Region, India. Sector 21 (0.0 Km), Sector 20 (1.32 Km), Sector 22 (1.33 Km), Sector 27 (3.0 Km), Sector 36 (3.54 Km) are the nearby areas to Sector 20A. Chandigarh, Mohali are the nearby cities to Sector 20A.