Cremona vs urban center

Cremona and urban center both are nouns.

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

Cremona (noun)	urban center (noun)
a city in Lombardy on the Po River; noted for the manufacture of fine violins from the 16th to the 18th centuries	a large and densely populated urban area; may include several independent administrative districts