Napoli vs urban center

Napoli and urban center both are nouns.

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

Napoli (noun)	urban center (noun)
a port and tourist center in southwestern Italy; capital of the Campania region	a large and densely populated urban area; may include several independent administrative districts