| Location | Type | Country | Class |
|---|---|---|---|
| Altstätten | Commune | CH | 5 |
| Au (SG) | Commune | CH | 5 |
| Balgach | Commune | CH | 5 |
| Berneck | Commune | CH | 5 |
| Diepoldsau | Commune | CH | 5 |
| Eichberg | Commune | CH | 5 |
| Marbach (SG) | Commune | CH | 5 |
| Oberriet (SG) | Commune | CH | 5 |
| Rebstein | Commune | CH | 5 |
| Rheineck | Commune | CH | 5 |
| Rüthi (SG) | Commune | CH | 5 |
| St. Margrethen | Commune | CH | 5 |
| Widnau | Commune | CH | 5 |