urban center vs Guadalajara

urban center and Guadalajara both are nouns.

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

urban center (noun)	Guadalajara (noun)
a large and densely populated urban area; may include several independent administrative districts	a city in southwestern Mexico; a popular health resort and site of architecture from the Spanish colonial era