Pendragon

The Pendragon Imperial Palace is the capital of the Holy Britannian Empire. It was a city of lights that gleamed in the night sky. The city was destroyed by Schneizel el Britannia using a F.L.E.I.J.A. warhead from abroad Damocles. The majority of the Britannian Imperial Family resides in the district of the capital known as "Saint Darwin Street". Pendragon appears to be in the middle of in the real-world, as indicated by the surrounding mountains and desert.

The Emperor resides in "Britannia Imperial Palace", the site of the assassination, as well as Lelouch's residence at the time of his reign. Other residences in the capital include,
 * Belial Palace: Nunnally vi Britannia resided here between 2017 and
 * Warwick Palace: the home of Clovis' mother, Gabriella la Britannia
 * Imperial Villa at Aries (アリエスの離宮, Ariesu No Rikyū), the residence of Lelouch's mother prior to her death. Owing to his fond childhood memories of the beautiful aerial gardens at Aries, Clovis La Britannia later modeled the villa on top of the Viceroy's Palace in Area 11 after it.