urban center vs Cremona

urban center and Cremona both are nouns.

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

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