The House of Alva is a prominent noble family in Spain, known for its historical significance and vast estates. The family has roots dating back to the 15th century and has produced several influential figures, including military leaders and politicians. Their legacy includes the famous Duke of Alva, who played a key role in the Spanish Netherlands during the 16th century. The House of Alva is also associated with various cultural and architectural contributions, particularly through their palaces and gardens. Their estates often reflect the grandeur of Spanish nobility, showcasing intricate designs and rich histories that attract visitors and historians alike.