noun
regional power; major regional nation
Refers to a country that holds significant influence, military strength, or economic weight within its own geographic region, without necessarily being a global superpower.
インドは南アジアの地域大国と見なされている。
India is regarded as a regional power in South Asia.
その地域大国は周辺国との経済連携を強化している。
That regional power is strengthening economic ties with neighboring countries.
Compound of 地域 (region) and 大国 (great power, major nation). The term is a straightforward modern political concept.