Home Learn DOCa (Denominacin de origen calificada) Decanter Staff November 11, 2010 The highest quality wine designation in Spain. Rioja was the first DO to be promoted. Written by Latest Wine News Hugh Johnson: ‘We’re getting bolder with bubbles from Italy, Spain, Australia, NZ, the Cape…’ History quiz: 10 questions on wine through the ages The ethical drinker: ‘Wines and people that made me stop and think’ How Bordeaux 2016 surprised winemakers to compete with all-time greats Tickets on sale! Decanter Fine Wine Encounter New York returns to the top of Manhattan