Logrono vs urban center

Logrono and urban center both are nouns.

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

Logrono (noun)	urban center (noun)
a city in northern Spain on the Ebro River	a large and densely populated urban area; may include several independent administrative districts