Heisei-era great municipal mergers; large-scale municipal mergers of the Heisei era
Refers to the wave of municipal mergers in Japan between 1995 and 2010, driven by the temporary Special Mergers Law. Often used in historical, political, or administrative contexts.
See also: 平成
Due to the Heisei-era great mergers, the number of municipalities nationwide decreased significantly.
In this region, a new city was born through the Heisei-era great mergers.
General term for municipal mergers, not limited to the Heisei era.
The era name itself; 平成の大合併 specifically refers to the merger wave during this period.
Compound of 平成 (Heisei era), の (possessive particle), and 大合併 (large-scale merger). The term emerged in the late 1990s to describe the nationwide municipal consolidation promoted by the Japanese government.