urban center vs Goteborg

urban center and Goteborg both are nouns.

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

urban center (noun)	Goteborg (noun)
a large and densely populated urban area; may include several independent administrative districts	a port in southwestern Sweden; second largest city in Sweden