What are the rough areas of Barcelona?

Areas to Avoid in Barcelona

• El Raval. …
• Barrio Gótico at Night. …
• El Born. …
• Las Ramblas. …
• Parc de la Ciutadella at Night. …
• Beach Areas. …
• Nou Barris and Sant Andreu Districts. …
• Metro Stations and Public Transport Hubs.

Where can tourists find what areas to avoid in Barcelona?