nouns
the extended spatial location of something
"the farming regions of France"; "religions in all parts of the world"; "regions of outer space"
a part of an animal that has a special function or is supplied by a given artery or nerve
"in the abdominal region"
a large indefinite location on the surface of the Earth
"penguins inhabit the polar regions"
is a type of (narrower)
a point or extent in space
the approximate amount of something (usually used prepositionally as in `in the region of')
"it was going to take in the region of two or three months to finish the job"; "the price is in the neighborhood of $100"
a knowledge domain that you are interested in or are communicating about
"it was a limited realm of discourse"; "here we enter the region of opinion"; "the realm of the occult"