The Gothic Quarter is the historic centre of the old city of Barcelona. It stretches from La Rambla to Via Laietana, and from the Mediterranean seafront to the Ronda de Sant Pere. It is a part of Ciutat Vella district. From Wikipedia
The veteran journalist's 'Misterio en el Barrio Gótico' earns the €120,000 prize at a record-breaking edition of the prestigious literary award.