21B is an sublocality in 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 21B. Chandigarh are the nearby cities to 21B.