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Approximate asking price (in millions of US$) for the largest château in Provence, Château de la Barben, which neighbors Brad Pitt’s Château Miraval wine estate. The 53,820 sq. foot château (classified as an Historic Monument) dates back to 980 A.D. The property features 120 rooms, 25 bedrooms, and a 40-acre enclosed park that could be planted to vineyard. Other celebrity neighbors include George Clooney and George Lucas.