Among the most popular sightseeing destinations in Slovenia is Postojna, which is part of the unique karst landscape in the western part of the country. The two major tourist attractions at this site are the Postojna caves, also called Postojna Jama, and the Predjama Castle. Visitors can also visit nearby caves and attractions, such as the coastal towns of Piran and Portoroz, and the UNESCO World Heritage Site of the Skocjan Caves. Accommodations in the area are plentiful, ensuring that visitors can stay as long as they like for a unique experience that will surely enhance their Slovenian vacation.

In the karst region of Notranjska, several of the most popular caverns in Europe are found beneath the earth’s surface, but the region also offers something unique compared with other parts of the world—the intriguing formations that occur above the crust of the earth. One of the most remarkable examples of this feature is displayed at the cave in Postojna Slovenia above the Predjama Castle. Thanks to archaeological research, the area is known to have been occupied since the Paleolithic period.

Upon visiting the castle in the town of Predjama, near Postojna, visitors are sure to be awed by an extraordinary structural feat. The twelfth-century castle is nestled under a limestone overhanging within the mouth of a cave and is outstandingly adapted to the natural landscape and structure of its surroundings. Below the castle is a four-tiered cavern, highlighting the Lokva River on the bottom level. The reason for its location is simply to deny access or at least make access difficult for unwanted visitors, and the defensive position of the castle is excellent.

Popularity for this castle at the Postojna Caves stems from the fifteenth-century owner and knight, Erazem Leuger, who also happened to be a robber baron. History tells that during an argument, he killed a friend of the Austrian emperor, and seeking refuge, he fled to his castle in Predjama. The emperor held the castle under siege, hoping to starve his adversary to death; luckily, however, due to a secret entrance through the cave system, Leuger was able to maintain a fresh supply of food. However, a friend betrayed him, and he was ultimately killed. Throughout the years following, the castle has been rebuilt and refurbished and is, today, open to the public for a nominal fee, and visitors can see these underground cave systems for themselves.

Six miles from the castle is the cave in Postojna Slovenia, the most visited in Europe. Beginning with a short trek, visitors take a tour by train on tracks that were laid in the eighteenth century. The Postojna caves are best known for being the largest cave in the region and for the great number of formations found within, each one being unique. This cave also boasts the largest group of cave creatures found in one location, and tourists should be on the lookout for the so-called human fish, a salamander whose pinkish color resembles human skin.

Finding accommodations on the Karst and in the town of Postojna poses no challenge apart from deciding on a budget and what type of experience visitors desire. A wide variety of lodgings, from hostels to homestays to hotels, offer a unique array of encounters with the native people and culture, enhancing the vacation in a number of different ways. Visiting this part of the country is an essential part of any list of things to do here, as the truly one-of-a-kind cave in Postojna Slovenia offers an unparalleled experience.

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