Škocjan caves are under UNESCO protection Škocjan caves (?Škocjanske jame?), the series of limestone caves are the second most known cave system among Slovenia caves (the first one is Postojna cave) and are located in southwestern Slovenia. Škocjan caves and surrounding Regional Park are under UNESCO protection since 1986. Škocjan caves are located 1.5km from highway Ljubljana-Koper. Nearest town is Divača, which is about 5km away. Divača has train and bus station as well.