Hijaz vs geographic region

Hijaz and geographic region both are nouns.

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

Hijaz (noun)	geographic 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