Carriers Find a ticketPlan Your Airport Journey in Advance.Plan JourneyTrieste, the Italian port city on the border with Slovenia, will enchant you with its diversity, rich history, culture, nature, and gastronomy. One of the city's most famous landmarks is the romantic Miramare Castle, perched on a rocky promontory above the sea. You can look forward to a beautiful interior filled with works of art and historical items, as well as surrounding gardens with exotic plants.In the heart of the city, visit the famous Piazza Unità d’Italia, which directly borders the sea and is the largest square in the world extending into the sea. The area is adorned with 19th-century palaces, such as the Government Palace and Lloyd's Palace. One of the city's landmarks is San Giusto Castle with the 14th-century San Giusto Cathedral, featuring rich interior decoration. The site also houses an exhibition on weapons and the history of Trieste.Don't miss a romantic boat ride along the Canal Grande or a visit to the local caves. The most famous is Grotta Gigante, listed in the Guinness World Records as the largest tourist-accessible cave in the world. You can also enjoy swimming in the sea or relaxing on the beach, with the most popular beaches being Barcola, Sistiana, and Muggia.