The Palace of Domitian, also known as the Domus Flavia, was a palace located in the city of Rome during the time of the Roman Empire. It was built by the emperor Domitian in the 1st century AD and was part of the larger complex on the Palatine Hill, one of the seven hills of Rome. The palace was composed of several structures, including reception halls, private rooms, and gardens, and was used by the emperor and his court.