geographical region vs Thessalia

geographical region and Thessalia both are nouns.

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

geographical region (noun)	Thessalia (noun)
a demarcated area of the Earth	a fertile plain on the Aegean Sea in east central Greece; Thessaly was a former region of ancient Greece