On the occasion of the European Heritage Days, September 19 and 20, 2026, the Conseil d'État will, exceptionally, open the doors to its headquarters housed in the Palais-Royal in Paris. A rare opportunity to discover this historic institution, its architectural heritage, and the workings behind France's highest administrative court. Reservations open on September 1, 2026.
Based in the Palais-Royal, in Paris’s 1st arrondissement, the Conseil d’État is among the capital’s most discreet institutions. Many people think it opens its doors only on rare occasions. Yet several options let you discover this historic site. Here’s how to visit!
