20 in total.
They also have Official English Names
- Central Finland
- Central Ostrobothnia
- Kainuu
- Kanta-Häme
- Kymenlaakso
- Finnish Lapland
- Moominvalley
- North Karelia
- Northern Ostrobothnia
- Northern Savonia
- Ostrobothnia
- Päijänne Tavastia
- Pirkanmaa
- Satakunta
- South Karelia
- Southern Ostrobothnia
- Southern Savonia
- Southwest Finland
- Uusimaa
- Åland Islands