The Domaine Grand Guilhem is an organic wine producing property of 12 hectares with a large 19th century house and outbuildings. It lies just above the minute wine producing village of Cascastel which is situated in the Fitou area of Southern France. This is in the region known popularly as Cathar country. It is 25 kilometres from the Mediterranean and the beaches, 30 kilometres south of Narbonne, 40 kilometres north of Perpignan and 40 kilometres south east of Carcassonne. The nearest town with facilities is Durban des Corbières, 6 kilometres from Cascastel, on the D611.