The beautiful city of Mantua is located in Italy's Lombardy region. The city is surrounded by three artificial lakes which were created as the city's defence system in the 12th century. A popular tourist destination, Mantua is noted for its fascinating artefacts, architectural treasures, elegant palaces and its important role in the worldwide history of opera. This city serves as one of the main social hubs for music, art and cultural performances. Mantua was even mentioned in the Romeo and Juliet play by Shakespeare. Important landmarks in the city include the Basilica of Sant'Andrea, the Palazzo Te, the Bibiena Theater, the Church of Santa Maria del Gradaro, the Museo diocesan Francesco Gonzaga and much more.