Illyria vs geographical region

Illyria and geographical region both are nouns.

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

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