Hijaz vs geographical region

Hijaz and geographical region both are nouns.

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

Hijaz (noun)	geographical region (noun)
a coastal region of the western Arabian Peninsula bordering on the Red Sea; includes both Mecca and Medina; formerly an independent kingdom until it united with Nejd to form the Kingdom of Saudi Arabia	a demarcated area of the Earth