Tenuta San Guido is much better known by the name of its most famous wine Sassicaia. It is located in the Tuscan region of Maremma, and is has its own single-estate DOC appellation (Bolgheri Sassicaia) applied to its flagship label. Sassicaia, one of the original Super Tuscan wines, is Italy's most famous wine. It is known for its supple texture, elegance and perfume. It is also the world’s second most counterfeited wine after Chateau Petrus.