Newport vs urban center

Newport and urban center both are nouns.

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

Newport (noun)	urban center (noun)
a port city in southeastern Wales	a large and densely populated urban area; may include several independent administrative districts
a resort city in southeastern Rhode Island; known for the summer homes of millionaires; important yachting center