Francs-Côtes de Bordeaux, formerly known as the Côtes de Francs, is an appellation located on the Right Bank of Bordeaux. It is permitted to make red wines as well as dry and sweet white wines.It forms part of the Côtes de Bordeaux network of appellations along with Blaye, Cadillac, Castillon and Sainte-Foy.One of the leading producers in Francs-Côtes de Bordeaux is Château Marsau, the home estate of Anne-Laurence and Mathieu Chadronnier; Mathieu is the president of major négociant CVBG.