geographic region vs Illyria

geographic region and Illyria both are nouns.

Word	Noun	Adjective	Verb	Adverb
geographic region	Yes	No	No	No
Illyria	Yes	No	No	No

geographic region (noun)	Illyria (noun)
a demarcated area of the Earth	an uncertain region on the east shore of the Adriatic where an ancient Indo-European people once lived