Defence Colony is an locality in Ambala City, Ambala District, Haryana, India. Ambala Cantt (5.39 Km), Sector 10 (13.65 Km) are the nearby areas to Defence Colony. Nagla, Razapur, Ambala City, Hamayunpur, Panjokhara, Khelan, Basauli are the nearby cities to Defence Colony.