The Nobility of Italy refers to the social class of aristocrats and landowners in Italy, historically influential in politics, culture, and economics. This class emerged during the Middle Ages and played a significant role in the formation of city-states, such as Florence and Venice. Nobles often held titles like duke, count, or marquis, and their power was linked to land ownership and wealth. Over time, the importance of the nobility diminished, especially after the unification of Italy in the 19th century. The Italian Constitution of 1948 abolished noble titles, although some families still retain their historical significance and heritage. Today, the legacy of the nobility can be seen in art, architecture, and cultural traditions throughout Italy.