Sector 21 is an locality in Sonipat, Sonepat District, Haryana, India, 131001. Sector 14 (5.52 Km), Sector 12 (7.41 Km), Sector 27 (10.03 Km), Nangal Khurd (13.32 Km) are the nearby areas to Sector 21. Bagru, Sonipat are the nearby cities to Sector 21.