Colony vs geographical region

Colony and geographical region both are nouns.

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

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

Colony: one of the 13 British colonies that formed the original states of the United States
geographical region: a demarcated area of the Earth

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

Colony (noun)	geographical region (noun)
one of the 13 British colonies that formed the original states of the United States	a demarcated area of the Earth