wilderness vs geographic area

wilderness and geographic area both are nouns.

Word	Noun	Adjective	Verb	Adverb
wilderness	Yes	No	No	No
geographic area	Yes	No	No	No

As nouns, geographic area is a hypernym of wilderness; that is, geographic area is a word with a broader meaning than wilderness:

Other hypernyms of wilderness include geographic region, geographical area, geographical region.

wilderness (noun)	geographic area (noun)
a bewildering profusion	a demarcated area of the Earth
a wild and uninhabited area left in its natural condition
(politics) a state of disfavor