The Palace of Tau is a historic building located in Reims, France. It served as the residence for the kings of France before their coronation at the nearby Reims Cathedral. The palace features a blend of architectural styles, reflecting its long history from the medieval period to the Renaissance. Today, the Palace of Tau is a museum that showcases artifacts related to the French monarchy, including tapestries, sculptures, and royal regalia. It is recognized as a UNESCO World Heritage site, highlighting its cultural significance and connection to the history of French royalty and the Catholic Church.