urban center vs Bolzano

urban center and Bolzano both are nouns.

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

urban center (noun)	Bolzano (noun)
a large and densely populated urban area; may include several independent administrative districts	an Italian city in Trentino-Alto Adige near the Austrian border; noted as a resort and for its Alpine scenery