region vs location

region and location both are nouns.

Word	Noun	Adjective	Verb	Adverb
region	Yes	No	No	No
location	Yes	No	No	No

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

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

region (noun)	location (noun)
a part of an animal that has a special function or is supplied by a given artery or nerve	a point or extent in space; a point or extent in space
a knowledge domain that you are interested in or are communicating about	a determination of the place where something is
the extended spatial location of something	the act of putting something in a certain place
a large indefinite location on the surface of the Earth	a workplace away from a studio at which some or all of a movie may be made
the approximate amount of something (usually used prepositionally as in `in the region of')