La Spezia vs urban center

La Spezia and urban center both are nouns.

Word	Noun	Adjective	Verb	Adverb
La Spezia	Yes	No	No	No
urban center	Yes	No	No	No

La Spezia (noun)	urban center (noun)
a port city in Liguria on an arm of the Ligurian Sea; a major seaport and year-round resort	a large and densely populated urban area; may include several independent administrative districts