The title "Duke of Asturias" is a noble title in Spain, historically associated with the region of Asturias. It is often granted to members of the Spanish royal family, particularly the heir apparent. The title has deep historical roots, dating back to the medieval period when Asturias was a significant kingdom in the Reconquista against Muslim rule. The current holder of the title is Leonor, Princess of Asturias, who is the eldest daughter of King Felipe VI and Queen Letizia. As the heir presumptive, she represents the future of the Spanish monarchy and participates in various official duties and ceremonies, embodying the traditions and responsibilities of the royal family.