hot spot vs geographical area

hot spot and geographical area both are nouns.

Word	Noun	Adjective	Verb	Adverb
hot spot	Yes	No	No	No
geographical area	Yes	No	No	No

As nouns, geographical area is a hypernym of hot spot; that is, geographical area is a word with a broader meaning than hot spot:

Other hypernyms of hot spot include geographic area, geographic region, geographical region.

hot spot (noun)	geographical area (noun)
a lively entertainment spot	a demarcated area of the Earth
a point of relatively intense heat or radiation
a place of political unrest and potential violence