urban center vs Galway

urban center and Galway both are nouns.

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

urban center (noun)	Galway (noun)
a large and densely populated urban area; may include several independent administrative districts	a port city in western Ireland on Galway Bay