Gambas al Ajillo, or garlic shrimp, is a popular seafood dish in Spain. It consists of shrimp cooked in olive oil with garlic, chili flakes, and sometimes a splash of white wine. The dish is simple yet bursting with flavor, and it pairs perfectly with a crusty bread to soak up the delicious sauce. When in Gran Vía, don't miss the opportunity to savor this mouthwatering Spanish delicacy.