geographical area vs geographic region

geographical area and geographic region both are nouns.

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

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

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

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