Cancun vs urban center

Cancun and urban center both are nouns.

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

Cancun (noun)	urban center (noun)
a popular island resort off the northeastern tip of the Yucatan peninsula	a large and densely populated urban area; may include several independent administrative districts