Castello di Argiano is an iconic winery located in Tuscany, Italy, specifically in the Montalcino region. The estate is renowned for producing high-quality wines, particularly Brunello di Montalcino, which is one of Italy's most prestigious and sought-after red wines. The history of Castello di Argiano dates back centuries, with records of winemaking on the estate dating as far back as the 16th century. The estate takes its name from the medieval castle, Castello di Argiano, which dominates the landscape of the surrounding vineyards.