Sector 21 is an sublocality in Kharghar, Navi Mumbai, Mumbai Metropolitan Region, Maharashtra, India. Kharghar (0.0 Km), Shahpur (7.86 Km), Belapur CBD (8.91 Km), Kalamboli (10.75 Km), Hedutane (11.95 Km) are the nearby areas to Sector 21. Navi Mumbai, Bid are the nearby cities to Sector 21.