Postojna Cave & Predjama Castle from Koper
Postojna Cave & Predjama Castle with tickets - Shore Tour from Koper
Postojna Cave & Predjama Castle - Shore Excursion from Koper
Skocjan UNESCO Caves and Piran
Private: Postojna Cave & Predjama Castle with tickets- Shore Tour from Koper
Magical Postojna cave and Predjama castle from Koper