Illyria vs geographic region

Illyria and geographic region both are nouns.

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

Illyria (noun)	geographic 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