Canadian Maritime Provinces vs geographical area

Canadian Maritime Provinces and geographical area both are nouns.

Word	Noun	Adjective	Verb	Adverb
Canadian Maritime Provinces	Yes	No	No	No
geographical area	Yes	No	No	No

Canadian Maritime Provinces (noun)	geographical area (noun)
the collective name for the Canadian provinces of New Brunswick and Nova Scotia and Prince Edward Island	a demarcated area of the Earth