From Zagreb: Ljubljana, Postojna Cave & Predjama Castle Small-Group Tour with Hotel Pickup

- See Slovenia's top sites in a single day from Zagreb while small-group transport with hotel pickup and drop-off sorts out all travel. - Your expert English-speaking guide shares context across Slovenia, with included entries to Postojna Cave, Predjama Castle and a Ljubljana city tour. - At Postojna Cave, explore Europe's most visited cavern, moving through rock halls in 8°C air while learning how this karst world formed. - Continue to Predjama Castle, using the included audio guide to uncover stories behind its chambers, defenses and past residents as you walk inside. - Explore Ljubljana’s highlights on a guided city tour, strolling along the riverside and spotting landmarks like the iconic Dragon Bridge.