Adelie Coast vs geographic region

Adelie Coast and geographic region both are nouns.

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

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