urban center vs Bridgeport

urban center and Bridgeport both are nouns.

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

urban center (noun)	Bridgeport (noun)
a large and densely populated urban area; may include several independent administrative districts	a port in southwestern Connecticut on Long Island Sound