Guadalajara vs urban center

Guadalajara and urban center both are nouns.

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

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