urban center vs Corinth

urban center and Corinth both are nouns.

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

urban center (noun)	Corinth (noun)
a large and densely populated urban area; may include several independent administrative districts	the modern Greek port near the site of the ancient city that was second only to Athens