Sysmä
| Sysmä | |
|---|---|
| Municipality | |
| Sysmän kunta Sysmä kommun | |
| Sunset at Lake Päijänne and Päijätsalo natural park | |
| Location of Sysmä in Finland | |
| Coordinates: 61°30′N 025°41′E / 61.500°N 25.683°E | |
| Country | Finland | 
| Region | Päijänne Tavastia | 
| Sub-region | Heinola | 
| Founded | 1442 | 
| Government | |
| • Municipal manager | Marketta Kitkiöjoki | 
| Area  (2018-01-01) | |
|  • Total | 936.18 km2 (361.46 sq mi) | 
| • Land | 666.76 km2 (257.44 sq mi) | 
| • Water | 269.14 km2 (103.92 sq mi) | 
| • Rank | 128th largest in Finland | 
| Population  (2025-03-31) | |
|  • Total | 3,406 | 
| • Rank | 204th largest in Finland | 
| • Density | 5.11/km2 (13.2/sq mi) | 
| Population by native language | |
| • Finnish | 96.3% (official) | 
| • Swedish | 0.3% | 
| • Others | 3.4% | 
| Population by age | |
| • 0 to 14 | 8.3% | 
| • 15 to 64 | 48.4% | 
| • 65 or older | 43.2% | 
| Time zone | UTC+02:00 (EET) | 
| • Summer (DST) | UTC+03:00 (EEST) | 
| Website | sysma | 
Sysmä (Finnish pronunciation: [ˈsysmæ]) is a municipality of Finland. It is situated in the Päijät-Häme region. The municipality has a population of 3,406 (31 March 2025) and covers an area of 936.18 square kilometres (361.46 sq mi) of which 269.14 km2 (103.92 sq mi) is water. The population density is 5.11 inhabitants per square kilometre (13.2/sq mi). Neighbouring municipalities are Asikkala, Hartola, Heinola, Kuhmoinen, Luhanka, and Padasjoki. The municipality is unilingually Finnish.
Itä-Häme newspaper is established in Sysmä.
According to historians, the word sysmä means either a "dark forest" or an "uninhabited wilderness." Sysmä is also a lake in Joroinen and another lake in Ilomantsi.