Definition of "region"

Any considerable and connected part of a space or surface; specifically, a tract of land or sea of considerable but indefinite extent; a country; a district; in a broad sense, a place without special reference to location or extent but viewed as an entity for geographical, social or cultural reasons.  examples

An administrative subdivision of a city, a territory, a country.

1. (historical) Such a division of the city of Rome and of the territory about Rome, of which the number varied at different times; a district, quarter, or ward.

2. An administrative subdivision of the European Union.  examples

3. A subnational region of Chile; equivalent to province.  examples

4. (Ontario) Ellipsis of regional municipality; a county-level municipality.  examples

5. Ellipsis of administrative region.

   1. A subprovincial region of Quebec; the primary level subdivision; a prefecture.  examples

(figuratively) The inhabitants of a region or district of a country.  examples

(anatomy) A place in or a part of the body in any way indicated.  examples

An approximate range.  examples

(obsolete) Place; rank; station; dignity.  quotations

(obsolete) The space from the earth's surface out to the orbit of the moon: properly called the elemental region.