Koijärvi

Koijärvi
Former municipality
Koijärven kunta
Koijärvi kommun
Location of Koijärvi in Finland
Coordinates: 60°56′37″N 23°39′26″E / 60.9437494°N 23.6571188°E / 60.9437494; 23.6571188
CountryFinland
ProvinceHäme Province
RegionTavastia Proper
Merged into Forssa and Urjala1969
SeatKojo
Area
  Land174.5 km2 (67.4 sq mi)
Population
 (1968-12-31)
  Total
2,262

Koijärvi is a former municipality of Finland in the former Häme Province, now in Tavastia Proper. It was split between Forssa and Urjala in 1969, most of the land was given to Forssa.

In 1979, Koijärvi and the homonymous lake became known for the Koijärvi movement, which spawned the political party Vihreät.