metropolis vs Gothenburg

metropolis and Gothenburg both are nouns.

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

metropolis (noun)	Gothenburg (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