Château Léoville Las Cases is a winery and vineyard located in the St-Julien appellation in the Médoc region of Bordeaux, France. It is known for producing some of the finest and most sought-after wines in the world. The winery has a long and storied history, dating back to the 17th century, and has been owned by the same family since the late 19th century. The vineyard covers 97 hectares (240 acres) and is planted primarily with Cabernet Sauvignon, with smaller amounts of Merlot, Cabernet Franc, and Petit Verdot. The wine is aged for up to 20 months in French oak barrels and is known for its rich, complex, and age-worthy style. Château Léoville Las Cases has consistently received high ratings and is considered one of the top producers in Bordeaux.