The Spanish peerage refers to the system of nobility in Spain, which includes various titles such as dukes, marquesses, counts, and barons. These titles are often hereditary, passed down through generations, and are recognized by the Spanish monarchy. The peerage plays a significant role in Spanish history and culture, reflecting the country's aristocratic traditions. In Spain, the peerage is regulated by the Spanish Crown and the Ministry of Justice. Nobles may hold privileges and responsibilities, including participation in certain ceremonial functions. The peerage system has evolved over time, influenced by historical events and social changes, but it remains an important aspect of Spain's identity.