Sector 21 is an neighbourhood in Kamothe, Navi Mumbai, Mumbai Metropolitan Region, Maharashtra, India. Kamothe (0.0 Km), Greater Khanda (2.38 Km), Kalamboli (3.9 Km), Adaigaon (5.24 Km), New Panvel East (5.46 Km) are the nearby areas to Sector 21. Adai, Pargaon Dungi, Navi Mumbai are the nearby cities to Sector 21.