Top Piran Underground Tours

Visit Postojna Cave, the best-known cave in the world, and The Predjama Castle, the only preserved cave castle in Europe.

Get off the boat and spend a day in the Slovenia with this private full-day shore excursion to Postojna Cave and Ljubljana from Koper. An experienced local guide will meet you at port and take you one of the country’s best natural wonders, like karst caves, full of cavernous rooms and halls. After spending time exploring the cave system your tour will continue on to the marvelous city of Ljubljana, Slovenia’s capital and a city ripe for exploring. Make stops at the Franciscan Cathedral, the fountain of Francesco Robba and Town Hall, among other places. You’ll have time to explore the city and do some shopping before driving back to port.