Visit the karst kocjan caves on unescos list of natural and cultural world heritage sites where you discover the beautiful underground karst features continue your trip tovillage predjama and enter majestic predjama castle carved into a 123 meter high stone wall admire the slovenian coast visit the port town of piran and walk around its narrow streets to visit st george church the tartini square venetian loggia and the city harbor finish your day by enjoying some free time next to b