urban center vs Morgantown

urban center and Morgantown both are nouns.

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

urban center (noun)	Morgantown (noun)
a large and densely populated urban area; may include several independent administrative districts	a city in northern West Virginia on the Monongahela river near the Pennsylvania border; site of the University of West Virginia