The caves are located in the Kras, or Karst, region of Slovenia, which is a limestone plateau that extends some 30 miles [50 km] inland from the Adriatic Sea, between the Julian and the Dinaric alps.
See paikneb Sloveenias Karsti regioonis, kus Julia Alpide ja Dinaari Alpide vahel laiub umbes 50 kilomeetrit Aadria merest sisemaale ulatuv lubjakiviplatoo.