Goteborg vs urban center

Goteborg and urban center both are nouns.

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

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