Anaheim vs urban center

Anaheim and urban center both are nouns.

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

Anaheim (noun)	urban center (noun)
a city in southern California (southeast of Los Angeles); site of Disneyland	a large and densely populated urban area; may include several independent administrative districts