Winemaker Isaac Muga, of Bodegas Muga in Haro, operates the winery started by his father, D. Isaac Muga Caño in 1932. Haro, Rioja, Spain. Bodegas Muga in the town of Haro, Rioja, Spain. As are many of the older wineries of Spain, Bodegas Muga is family-owned and family-run since its establishment in 1932 by the father of its current president, Isaac Muga.