city district vs Hollywood

city district and Hollywood both are nouns.

Word	Noun	Adjective	Verb	Adverb
city district	Yes	No	No	No
Hollywood	Yes	Yes	No	No

city district (noun)	Hollywood (noun)
a district of a town or city	the film industry of the United States
	a district of Los Angeles long associated with the American film industry
	a flashy vulgar tone or atmosphere believed to be characteristic of the American film industry

city district (adjective)	Hollywood (adjective)
	of or relating to the film industry in the United States
	flashy and vulgar