The province of Trieste includes a narrow strip you land that extends between the Adriatic Sea and the Karst region, its territory was reduced after the Second World War, when a good area was ceded to neighboring Yugoslavia. Since then, the province of Trieste is the most small, by extension, of Italy. The entire district is heavily affected by karst phenomena: sinkholes and caves characterize, therefore, the whole area, offering landscapes of unique beauty. Overlooking the bay of the same name, Trieste is built at the foot of a escarpment that descends abruptly to the sea from the Carso. Piazza Unità d’Italy is at the heart of the city, lined with elegant public buildings that draw the rectangular perimeter, is the largest square in Europe between those directly overlooking the sea. Trieste is also an important center from the point of view of art and culture, thanks to its splendid monuments: the Cathedral of San Giusto, the Roman Theatre and the Miramare Castle are just some of the peculiarities of Trieste that make this city a popular destination for lovers of history and art.