Pasadena vs urban center

Pasadena and urban center both are nouns.

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

Pasadena (noun)	urban center (noun)
a city in southwestern California to the east of Los Angeles	a large and densely populated urban area; may include several independent administrative districts