Sun Valley vs town

Sun Valley and town both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sun Valley	Yes	No	No	No
town	Yes	No	No	No

Sun Valley (noun)	town (noun)
a winter sports resort in south central Idaho	the people living in a municipality smaller than a city
	an urban area with a fixed boundary that is smaller than a city
	an administrative division of a county