The Duke of Aosta is a title in the Italian nobility, historically associated with the House of Savoy. The title was first created in 1861 for Prince Amedeo of Savoy, the second son of King Victor Emmanuel II of Italy. The dukedom is linked to the region of Aosta Valley in northwestern Italy. The title has been held by various members of the Savoy family, often serving in military or political roles. The current holder, as of 2023, is Prince Aimone of Savoy-Aosta, who became the Duke in 1948. The title remains a symbol of the rich history of Italian nobility.