Spanish wines feature a dichotomy between bold fruit and dusty minerality that makes them fall between old and new world styles. The country boasts the highest vineyard acreage in the world, but yields are relatively low given the wide vine spacing and limited water use.
While it boasts local varietals such as Tempranillo, Garnacha, and Monastrell, it also produces beautiful wines from international varietals such as Petit Verdot, Carignan, and Mourvedre
You have a variety of climates within Spain, such as
For Spanish wines, there is a origin system of classification, with Vinos de Pago being the most recent edition. It refers to single Estates that have a high international reputation, and may or may not come from a DO. This is similar to the Italian "Super Tuscan" wineries.
The more common reference for spanish wines are it's ageing classification, which includes Robles, Crianza, Reserva & Gran Reserva wines