Travelers are voting Postojna Cave as the best cave near Postojna. There are 1 cave near Bovec a city just 129 km from Postojna and 1 cave near Celje which is 131 km distant. The most popular of these are Vrtoglavica Cave near Bovec and Hell Cave in Celje. You can find 6 caves in Osrednjeslovenska and 7 caves in the country of Slovenia. Our members favorite in Osrednjeslovenska is Postojna Cave and Škocjan Caves is the top pick in Slovenia. Want more? Check out our map of caves near Postojna.