Diocletian's Palace is a large Roman palace built for the Emperor Diocletian in the late 3rd century AD, located in the city of Split, Croatia. The palace served as a retirement residence for Diocletian and was designed as a fortified structure, featuring massive walls and towers. It covers approximately 30,000 square meters and includes various buildings, temples, and courtyards. Today, Diocletian's Palace is a UNESCO World Heritage Site and a popular tourist destination. The palace complex is integrated into the modern city, with shops, restaurants, and homes occupying its ancient structures, showcasing the blend of history and contemporary life.