hotspot vs geographical region

hotspot and geographical region both are nouns.

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

As nouns, geographical region is a hypernym of hotspot; that is, geographical region is a word with a broader meaning than hotspot:

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

hotspot (noun)	geographical region (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