In Spain, wines are classified into different wine regions, each with their own set of wine laws and quality standards. Currently, Spain has 69 major wine regions, the more correct term being “Designation of Origin” (D.O.).
You are most likely familiar with at least a few of them. Some of the most well-known wine regions of Spain are Rioja, Ribera del Duero, Penedés, Navarra, Rueda, Cava, Rias Baixas, Jeréz, & La Mancha.