urban center vs Acapulco

urban center and Acapulco both are nouns.

Word	Noun	Adjective	Verb	Adverb
urban center	Yes	No	No	No
Acapulco	Yes	No	No	No

urban center (noun)	Acapulco (noun)
a large and densely populated urban area; may include several independent administrative districts	a port and fashionable resort city on the Pacific coast of southern Mexico; known for beaches and water sports (including cliff diving)