The Duke of Alba is a noble title in Spain, historically associated with the powerful House of Alba. The title has been held by various individuals since its creation in the 15th century, 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 is currently held by Carlos Fitz-James Stuart y Silva, the 19th Duke of Alba, who is known for his involvement in cultural and social activities. The Duke's family has a rich heritage, with connections to various European royal families and a prominent role in Spanish society.