Iberia vs geographical area

Iberia and geographical area both are nouns.

Word	Noun	Adjective	Verb	Adverb
Iberia	Yes	No	No	No
geographical area	Yes	No	No	No

Iberia (noun)	geographical area (noun)
a peninsula in southwestern Europe	a demarcated area of the Earth
an ancient geographical region to the south of the Caucasus Mountains that corresponded approximately to the present-day Georgia