urban center vs Governador Valadares

urban center and Governador Valadares both are nouns.

Word	Noun	Adjective	Verb	Adverb
urban center	Yes	No	No	No
Governador Valadares	Yes	No	No	No

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