Villa Adriana, also known as Hadrian's Villa, is a large Roman archaeological complex located in Tivoli, Italy. Built in the 2nd century AD during the reign of Emperor Hadrian, it served as a retreat for the emperor and his court. The villa features a variety of structures, including palaces, baths, and gardens, showcasing the architectural innovations of the time. The site covers approximately 120 hectares and is recognized as a UNESCO World Heritage Site. It reflects a blend of Greek, Egyptian, and Roman architectural styles, highlighting Hadrian's appreciation for different cultures. Today, Villa Adriana attracts visitors interested in history and ancient architecture.