France-History- Le Palais de la Cité The Conciergerie as Royal Palace in the late 14th century, from a page of the Très Riches Heures du duc de Berry The Île de la Cité was occupied by the Romans during late antiquity Later, the west part of the island. France-History- Le Palais de la Cité The Conciergerie as Royal Palace in the late 14th century, from a page of the Très Riches Heures du duc de Berry The Île de la Cité was occupied by the Romans during late antiquity Later, the west part of