noun

1. 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.

   “the equatorial regions”

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

3. The inhabitants of a region or district of a country.