country vs region

country

noun
  • An area of land; a district, region. 

  • The territory of a nation, especially an independent nation state or formerly independent nation; a political entity asserting ultimate authority over a geographical area; a sovereign state. 

  • A rural area, as opposed to a town or city; the countryside. 

  • The rock through which a vein runs. 

  • A set region of land having particular human occupation or agreed limits, especially inhabited by members of the same race, speakers of the same language etc., or associated with a given person, occupation, species etc. 

adj
  • From or in the countryside or connected with it. 

  • Of or connected to country music. 

  • Originating in India rather than being imported from Europe or elsewhere. 

region

noun
  • The inhabitants of a region or district of a country. 

  • 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. 

  • A subnational region of Chile; equivalent to province. 

  • An administrative subdivision of the European Union. 

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

  • A place in or a part of the body in any way indicated. 

  • 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. 

How often have the words country and region occurred in a corpus of books? (source: Google Ngram Viewer )