geographical region vs geographic area

geographical region and geographic area both are nouns.

Word	Noun	Adjective	Verb	Adverb
geographical region	Yes	No	No	No
geographic area	Yes	No	No	No

As nouns, geographical region and geographic area are synonyms defined as:

Other synonyms of geographical region include geographic region, geographical area.

geographical region (noun)	geographic area (noun)
a demarcated area of the Earth	a demarcated area of the Earth