Castello di Monteriggioni is a medieval fortress located in the Tuscany region of Italy. Built in the early 13th century, it was constructed by the Republic of Siena as a defensive stronghold against Florence. The castle is notable for its well-preserved walls and towers, which still encircle the village today. The fortress features 14 towers and a series of gates, providing a glimpse into its historical significance. Visitors can walk along the ramparts for panoramic views of the surrounding countryside. Monteriggioni is also recognized for its charming streets and local shops, making it a popular destination for tourists.