Campeche vs urban center

Campeche and urban center both are nouns.

Word	Noun	Adjective	Verb	Adverb
Campeche	Yes	No	No	No
urban center	Yes	No	No	No

Campeche (noun)	urban center (noun)
a Mexican city on the Bay of Campeche	a large and densely populated urban area; may include several independent administrative districts
a Mexican state on the eastern part of the Gulf of Campeche