A geographical area constituting a city or town(noun)
WordNet. Princeton University. 2010.
Use "populated area" in a sentence
"The U.S. and Japan have committed to spending a combined $10 billion to complete the Guam relocation, which is tied to plans to consolidate Marine facilities on Okinawa and close Marine Corps Air Station Futenma, an air base located in a densely populated area of southern Okinawa."