Obasamudram is an city in Tiruvallur District , Andhra Pradesh, India. Appavaram, Chennai, Sennavaram, Umipedu, Medhipalayam, Pattupalli, Natham, Mangavaram, Kanganimedu, Obasamudram, Injur, Devambattu, Melakalani, Ramayan Palayam, Thurapallam, Poongulam, Elavur, Sunnambukulam, Mangodu, Seliambedu are the nearby cities to Obasamudram.