Castra Praetoria

Welcome to the site of the Castra Praetoria, the ancient headquarters of the Praetorian Guard, the elite bodyguards of the Roman emperors. We are standing on the Viminal Hill, one of the original seven hills of Rome, in an area…

To understand why this fortress exists, we must look at the figure of Lucius Aelius Sejanus. As the Praetorian Prefect under Tiberius, Sejanus was a middle manager who mastered the art of political leverage. …

One of the most dramatic events to occur within these premises was the installation of Emperor Claudius in 41 AD. Following the assassination of Caligula, the city was in chaos. …

The most shocking moment in the history of this fortress occurred in March of 193 AD. Following the assassination of the reform-minded Pertinax—who had made the fatal mistake of trying to cut the Guard's budget—the Praetorians…

The arrival of Septimius Severus at the gates of Rome in 193 AD forced a violent market correction for the Praetorian Guard. Severus, a seasoned general from the Danubian frontier, understood that the Guard's influence was a…

Let us take a closer look at the physical structure of the walls. The Castra Praetoria was an imposing rectangle, measuring roughly 17 hectares. …

The final chapter of the Castra Praetoria began with Constantine the Great. Constantine viewed the Praetorian Guard not as an elite unit, but as a toxic asset that had sabotaged every administration for 300 years. …

As we conclude our journey around the remnants of the Castra Praetoria, it is worth reflecting on the lesson this site offers for the modern world. What began under Augustus as a necessary 'insurance policy' for executive safety…