"La Treggiaia" is a cooperative of vineyards in the Valdarno area in Tuscany.The area lies between Florence and Arezzo in the Valdarno valley.The vineyards are visible on the right hand side of the motorway going south towards Arezzo from Florence.You need to go off at the Valdarno exit to get to other famous Chianti wine growing towns such as Greve and Gaioli not far away from the Valdarno area.