urban center vs Brunswick

urban center and Brunswick both are nouns.

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

urban center (noun)	Brunswick (noun)
a large and densely populated urban area; may include several independent administrative districts	a city in central Germany
	a university town in southwestern Maine
	a town in southeast Georgia near the Atlantic coast; a port of entry