metropolis vs Goteborg

metropolis and Goteborg both are nouns.

Word	Noun	Adjective	Verb	Adverb
metropolis	Yes	No	No	No
Goteborg	Yes	No	No	No

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