| name | discoverer | image | geology | type | Area (m²) | elevation (m) | Range | date discovered | Depth (m) | Height (m) | city | Website | administrative división | continent | Country | latitude (°) | Width (m) | Length (m) | longitude (°) | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Postojna Cave |  | Karst | Karst Plateau (Italy-Slovenia) | 115 | 680 | Postojna | website | Central Slovenia Statistical Region | Europe | Slovenia | 45.7666664124 | 24,120 | 14.1999998093 | Map |