The Pelješac peninsula is adorned with unspoiled nature, beautiful pebbly and sandy beaches, clear sea and numerous olive groves and vineyards. It is divided into four municipalities: Ston, Janjina, Trpanj and Orebić. The town of Ston is known for its medieval, monumental, city walls that are the longest in the world after the Great Wall of China, the oldest European salt-works that were a vital product of the Republic of Dubrovnik and oysters. Trpanj is a place of long and rich history, adorned with the late antique fortress of Gradina, numerous churches, chapels and monuments. The most populated location on Pelješac is Orebić, the place of sea captains. Orebić is located at the foot of St. Ilija Hill, and is distinguished by an interesting maritime tradition, as evidenced by the famous Maritime Museum. In addition to maritime affairs, the Catholic tradition is also important for the history of Orebić. Today it can be read in over 40 churches and chapels. Orebić is today a tourist center of Pelješac with clear sea, shallow sandy or pebbly beaches intended for families with children, romantic and hidden waves and rich entertainment and sports programs. Pelješac winemaking has a long tradition, where the best producers of red wines in Croatia have positioned themselves. The Pelješac peninsula is home to the Plavac mali variety among with the Dingac and Postup wines from the same position. There are hiking trails on Pelješac, of which the most attractive is the peak of St. Ilija, 961 meters high, offering unforgettable views of the islands of Korčula, Lastovo and Mljet. The Pelješac channel is known for its strong winds, where in summer there is a mistral that is suitable for all lovers of surfing, sailing and paragliding.