The Hall with Doric Pillars (Pilaci Dorici) at Hadrian's Villa (Villa Adriana - Villa d'Hadrien)- Tivoli (Lazio; Italy) 2018All that remains of the Hall with Doric Pillars; directly southwest of the Piazza d'Oro; are six of its columns.The villa Hadriana was constructed at Tibur (modern-day Tivoli) as a retreat from Rome for Roman Emperor Hadrian (117-138 AD) during the second and third decades of the 2nd century AD. This large Roman archaeological complex is a UNESCO World Heritage Site.