geographic region vs Adelie Coast

geographic region and Adelie Coast both are nouns.

Word	Noun	Adjective	Verb	Adverb
geographic region	Yes	No	No	No
Adelie Coast	Yes	No	No	No

geographic region (noun)	Adelie Coast (noun)
a demarcated area of the Earth	a costal region of Antarctica to the south of Australia; noted for its large colonies of penguins