For many people, one of the most confusing aspects of Spanish wine is the system used to categorise it - the Denominación de Origen system. You may be slightly reluctant to dig into the dry and somewhat bureaucratic process used to classify the various wines in Spain. But getting a basic grip of what the different classifications mean can be useful when it comes to making a more educated guess about what's inside the bottle and whether that wine is the right one for you. So, tune in as we outline the basics in an easy-to-understand way.