urban center vs Genova

urban center and Genova both are nouns.

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

urban center (noun)	Genova (noun)
a large and densely populated urban area; may include several independent administrative districts	a seaport in northwestern Italy; provincial capital of Liguria