In the heart of Split, Croatia, rises one of the most extraordinary relics of the Roman world, Diocletian’s Palace, a vast 4th-century fortress that has become a living city. Commissioned by Emperor Diocletian as his seaside retirement residence after abdicating the throne in AD 305, the palace was both an imperial villa and a military stronghold, part luxury resort, part defensive bastion overlooking the Adriatic.
Stretching across more than 30 000 m², its walled complex was designed like a Roman castrum (fortified camp), with four monumental gates, the Golden, Silver, Bronze, and Iron Gates, leading to an intricate grid of marble-paved streets. Inside, Diocletian built his lavish apartments, temples, and courtyards, including the Peristyle, a grand colonnaded square that still serves as the palace’s vibrant heart.
The palace itself is a masterpiece of materials: white Brač limestone and fine marble from local quarries, tuff from nearby riverbeds, and bricks from Salonitan factories. Decorative treasures came from afar, Egyptian granite columns, Proconnesian marble capitals, and even a 3500-year-old Egyptian sphinx, still guarding the Peristyle.
Over the centuries, as the Roman Empire faded, the people of Split moved inside the palace walls, transforming imperial halls into homes, shops, and chapels. Today, Diocletian’s Palace is not a ruin, it’s alive: medieval courtyards and Baroque balconies mingle with cafés, galleries, and over 3000 residents.
