Chateau de Myrat or simply Chateau Myrat, is a wine estate belonging to the Sauternes appellation in Gironde, in the region of Graves. The estate is located in the commune of Barsac and produces a sweet white wine (Sauternes) ranked as a Grand Cru of Second Growth (Deuxieme Cru) class in the original Bordeaux Wine Official Classification of 1855.