City of the Angels vs port of entry

City of the Angels and port of entry both are nouns.

Word	Noun	Adjective	Verb	Adverb
City of the Angels	Yes	No	No	No
port of entry	Yes	No	No	No

City of the Angels (noun)	port of entry (noun)
a city in southern California; motion picture capital of the world; most populous city of California and second largest in the United States	a port in the United States where customs officials are stationed to oversee the entry and exit of people and merchandise