metropolis vs Governador Valadares

metropolis and Governador Valadares both are nouns.

Word	Noun	Adjective	Verb	Adverb
metropolis	Yes	No	No	No
Governador Valadares	Yes	No	No	No

metropolis (noun)	Governador Valadares (noun)
people living in a large densely populated municipality	a city in eastern Brazil to the northeast of Belo Horizonte
a large and densely populated urban area; may include several independent administrative districts