On the main floor, rooms are decorated by allegorical images that celebrate the royal dynasty, hand-made by different artists.
Royal Palace of Turin or Palazzo Reale, is a palace in Turin, northern Italy. It was the royal palace of the House of Savoy. It was modernised greatly by the French born Madama Reale Christine Marie of France in the 17th century. The palace was worked on by Filippo Juvarra. It includes the Palazzo Chiablese.
Taken from: http://en.wikipedia.org/wiki/Royal_Palace_of_Turin