Montego Bay vs urban center

Montego Bay and urban center both are nouns.

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

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