地ち域いき主しゅ義ぎ

ち

い

き

しゅ

ぎ

Meanings

1

Refers to political, economic, or cultural emphasis on regional identity and autonomy, often in contrast to centralization.

ほう

分ぶん

権けん

を

後あと

押お

し

た

。

The rise of regionalism pushed forward decentralization.

彼かれの政せい策さくは地ち域いき主しゅ義ぎに基もとづいている。

His policies are based on localism.

地ち方ほう分ぶん権けん
地方分権 is the concrete administrative process of decentralization, while 地域主義 is the broader ideology or movement favoring regional autonomy.
ナショナリズム
ナショナリズム is nationalism at the national level, whereas 地域主義 focuses on sub-national regional identity.

Compound of 地域 (region) and 主義 (principle, -ism). A straightforward modern coinage for the concept of regionalism.