Gadalvadi is an city in Tiruvallur District , Tamil Nadu, India. Rajapadmapuram, Videiyur, Thiruvalangadu, Gadalvadi, Kalianur, Nemiliagaram, Melvilagam, Venugopalapuram, Narthavada, Veeraraghavapuram, Jagirmangalam, Manavur, Chennai, Kapulakandigai, Attupakkam, Kanagavallipuram, Karanisampattu, Keelvilagam, Athipattu are the nearby cities to Gadalvadi.