Château Grand-Puy Ducasse is a Fifth Growth estate in Pauillac. It is named for its 17th-century founder, Arnaud Ducasse, and was owned by the Ducasse family through part of the 20th century. In 2004 it became a part of CA Grands Crus, a subsidiary of the bank Groupe Credit Agricole. The 99-acre estate grows 62% Cabernet Sauvignon and 38% Merlot. Its second wine is Prelude a Grand-Puy Ducasse. Up to 140,000 bottles of the flagship wine are produced annually.