unified local elections
Refers to the set of local elections held simultaneously across Japan every four years, typically in April. Often abbreviated as 統一選.
Unified local elections are held once every four years.
I plan to vote in the next unified local elections.
Common abbreviation of 統一地方選挙, used in news headlines and casual conversation.
Compound of 統一 (unification) + 地方 (local) + 選挙 (election).