Valletta (Things to do - Places to Visit) - VALLETTA Top Tourist Placesbr Capital of Maltabr Valletta (or Il-Belt) is the tiny capital of the Mediterranean island nation of Malta. The walled city was established in the 1500s on a peninsula by the Knights of St. John, a Roman Catholic order. It’s known for museums, palaces, and grand churches. br br Baroque landmarks include St. John’s Co-Cathedral, whose opulent interior is home to the Caravaggio masterpiece "The Beheading of Saint John.