The Duke of Alba is a noble title in Spain, historically associated with the powerful House of Alba. The title was first created in the 15th century and has been held by various prominent figures, often linked to significant political and military roles in Spanish history. The Duke's residence, the Palacio de Liria in Madrid, is a notable example of Spanish aristocratic architecture. The title has been passed down through generations, with the current Duke being Carlos Fitz-James Stuart y Silva. The Dukes of Alba have played important roles in Spanish society, influencing culture, politics, and the arts throughout their history.