The winery is located in the Right Bank of France's Bordeaux wine region in the commune of Saint-Émilion, in the department Gironde.
Château Beauséjour was once a vineyard cultivated by the monks of the Church of St-Martin during the Middle Ages.
[1][2] The estate was set up as a non-trading company (société civile) in 1963, and remains owned by the Duffau-Lagarrosse family.
Nicolas Thienpont, director of winemaking at Château Pavie Macquin, is in overall charge of a 2009 effort to raise the estate's potential, assisted by consultant oenologists Michel Rolland and Stéphane Derenoncourt.
Of the Grand vin, Château Beauséjour there is a total annual production of 25–30,000 bottles.