Croatia is known for its large number of interesting caves, located in all parts of the country. The Velebit mountain chain hides perhaps the majority of them and, as of this year, tourists will once again be able to take in some of the better known of the Velebit caves – the Cerovac Caves, which have been closed to the public over the past three years.
The Croatian karst underground is filled with such cave oases of “centuries-old karst shades”, which can be offered to visitors as a form of vacation under-ground. Only a relatively small number of caves can accommodate real tourists, as not many have been specifically adjusted for such tours. Paths, guides and lighting for tourists exist in the upper and lower Cerovac caves near Gračaci, cave Veternica near Kotlenice on the northern base of Mountain Mosor, Grgos caves near Samobor, cave Vrlovka near Ozalj, Barač caves near Rakovia, Samograd caves near Perušić, cave Biserujka near Dobrinje on the island of Krk, sink-hole Baredine near Poreč, cave Mramornica near Brtonigla in Istria, cave Feštinsko kraljevstvo near Žminj in Istria, Đurović cave in Ćilipi near Dubrovnik. Especially attractive is the Modra špilja (“blue cave”) on the island of Biševo that can only be visited via boat.