urban center vs Stavanger

urban center and Stavanger both are nouns.

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

urban center (noun)	Stavanger (noun)
a large and densely populated urban area; may include several independent administrative districts	a port city in southwestern Norway; center for shipbuilding industry