Governador Valadares vs metropolis

Governador Valadares and metropolis both are nouns.

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

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