noun (n)

• a region marked off for administrative or other purposes(noun.location)

  Synonym:
  district, dominion, territorial dominion
  

  source: wordnet30
• an area of knowledge or interest(noun.cognition)

  Example:
  His questions covered a lot of territory.
  

  source: wordnet30
• the geographical area under the jurisdiction of a sovereign state(noun.location)

  Synonym:
  soil
  

  source: wordnet30
• A large extent or tract of land; a region; a country; a district.(noun)

  source: webster1913