urban center vs Montego Bay

urban center and Montego Bay both are nouns.

Word	Noun	Adjective	Verb	Adverb
urban center	Yes	No	No	No
Montego Bay	Yes	No	No	No

urban center (noun)	Montego Bay (noun)
a large and densely populated urban area; may include several independent administrative districts	port and resort city in northwestern Jamaica