Scandinavia vs geographical region

Scandinavia and geographical region both are nouns.

Word	Noun	Adjective	Verb	Adverb
Scandinavia	Yes	No	No	No
geographical region	Yes	No	No	No

Scandinavia (noun)	geographical region (noun)
a group of culturally related countries in northern Europe; Finland and Iceland are sometimes considered Scandinavian	a demarcated area of the Earth
the peninsula in northern Europe occupied by Norway and Sweden