port of entry vs Jacksonville

port of entry and Jacksonville both are nouns.

Word	Noun	Adjective	Verb	Adverb
port of entry	Yes	No	No	No
Jacksonville	Yes	No	No	No

port of entry (noun)	Jacksonville (noun)
a port in the United States where customs officials are stationed to oversee the entry and exit of people and merchandise	Florida's largest city; a port and important commercial center in northeastern Florida