(せいりょくはんい)

せいりょくはんい
noun
sphere of influence; territory
1. sphere of influence; territory; domain of power
The geographical or conceptual area over which a nation, organization, or individual exercises dominant influence or control.
勢力範囲(せいりょくはんい)(ひろ)げる。
To expand one's sphere of influence.
あの企業(きぎょう)関東(かんとう)勢力範囲(せいりょくはんい)としている。
That company has the Kanto region as its territory.
列強(れっきょう)勢力範囲(せいりょくはんい)(めぐ)って(あらそ)った時代(じだい)は、(おお)くの植民地(しょくみんち)()んだ。
The era when great powers fought over spheres of influence produced many colonies.

A compound of 勢力(せいりょく) (power, influence) + 範囲(はんい) (range, scope). Originally a geopolitical term used in history and international relations, now also applied to business territories and organizational reach.

COMMON COLLOCATIONS:

  • 勢力範囲(せいりょくはんい)(ひろ)げる: to expand one's sphere of influence
  • 勢力範囲(せいりょくはんい)(はい)る: to fall within someone's sphere of influence
  • 勢力範囲(せいりょくはんい)()ける: to divide spheres of influence
  • 勢力範囲(せいりょくはんい)(あらそ)う: to fight over territory

SIMILAR WORDS:

  • 縄張(なわば)り: territory — more colloquial; used for animals, gangs, or informal territorial claims
  • 影響圏(えいきょうけん): sphere of influence — a more formal synonym, used in political science
  • 支配圏(しはいけん): zone of control — implies stronger, more direct control