metropolis vs Sao Jose dos Campos

metropolis and Sao Jose dos Campos both are nouns.

Word	Noun	Adjective	Verb	Adverb
metropolis	Yes	No	No	No
Sao Jose dos Campos	Yes	No	No	No

metropolis (noun)	Sao Jose dos Campos (noun)
people living in a large densely populated municipality	a city in southeastern Brazil to the northeast of Sao Paulo
a large and densely populated urban area; may include several independent administrative districts