Château Ksara is a Lebanese winery located in the Bekaa Valley near Zahle and is recognized as the oldest commercial winery in Lebanon. It was founded in 1857 by Jesuit priests, who introduced French grape varieties and produced the country's first dry wines, laying the foundations of Lebanon's modern wine industry. In 1898, the estate uncovered a network of approximately two kilometers of Roman-era underground caves, which have since been used for wine maturation due to their naturally stable temperature and humidity. Following the Vatican's decision to divest commercial assets, the winery was acquired by a consortium of Lebanese investors in 1973 and has remained under private ownership ever since. Today, Château Ksara cultivates vineyards across several sites in the Bekaa Valley, growing both international grape varieties, including Cabernet Sauvignon, Syrah, Merlot, Chardonnay, Sauvignon Blanc, and Semillon, as well as indigenous Lebanese varieties such as Merwah and Obeidi. Its portfolio includes red, white, rosé, and fortified wines, together with arak and grape spirits. Château Ksara exports its products to more than 40 countries and continues to combine traditional winemaking practices with modern production techniques.