Belo Horizonte vs urban center

Belo Horizonte and urban center both are nouns.

Word	Noun	Adjective	Verb	Adverb
Belo Horizonte	Yes	No	No	No
urban center	Yes	No	No	No

Belo Horizonte (noun)	urban center (noun)
city in southeastern Brazil to the north of Rio de Janeiro; the first of Brazil's planned communities	a large and densely populated urban area; may include several independent administrative districts