Located some 10km north of Postojna is the Guinness world record holder for the largest 'cave castle' in the world, and the only preserved one of its kind in the world. Predjama Castle (or Predjamski ...

Here the Best Half Day Tours from Ljubljana: Half-Day Tour to Lake Bled 6-Hour Tour to Postojna Cave and Predjama Castle Half Day Wine Tour to Vipava Valley Below are the best half day trips from ...