Poland
12 plants, exporters and sites on record across 4 regions, grouped by the region each register publishes. Regional names are as the register writes them and are not translated.
| Region | On record | Localities |
|---|---|---|
| Pomorskie | 5 | 4 |
| Zachodniopomorskie | 3 | 3 |
| Supsk, Poland | 2 | — |
| Wielkopolskie | 2 | 2 |