Sydösterbotten
| Sydösterbotten | |
|---|---|
| Sub-region | |
 | |
| Country |
 Finland |
| Region | Ostrobothnia |
| Population (2011) | |
| • Total | 17,989 |
| Time zone | EET (UTC+2) |
| • Summer (DST) | EEST (UTC+3) |
Sydösterbotten[1] is a subdivision of Ostrobothnia and one of the Sub-regions of Finland since 2009.