Chaumont-sur-Loire (French pronunciation: [ʃomɔ̃ syʁ lwaʁ], lit.

'Chaumont on Loire'), commonly known as Chaumont, is a commune and town in the Loir-et-Cher department and the administrative region of Centre-Val de Loire, France,[3] known for its historical defensive walls and its castle.

The castle was founded by Odo 1 (973-996), Count of Blois.

At each epoch of French history the Château has been owned, rented or visited by significant persons in French and European history.

Many famous guests visited the lively and politically active Madame de Staël including Madame Récamier, Adelbert von Chamisso, the counts of Sabran and Salaberry as well as the author of "Adolphe", Benjamin Constant.