metropolis vs Vladivostok

metropolis and Vladivostok both are nouns.

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

metropolis (noun)	Vladivostok (noun)
people living in a large densely populated municipality	a seaport in the Asian part of Russia
a large and densely populated urban area; may include several independent administrative districts