Knowing minimally about wines can earn you points of popularity in Portugal, in addition to being able to better appreciate the wonderful Portuguese wines. Portuguese wine is not classified by the type of grape, but by the region where it is produced. Including the wineries in the D'Ouro and Pico Island regions, considered by UNESCO as world heritage sites. There are also wines from the Tagus, Alentejo, Algarve, Madeira ... and so on.