The city offers a retail therapy for addict shoppers. Discover the best places to do fashion shopping in Barcelona. With more than 35.000 shops, Barcelona is appropriate for the tastes of all. The avenue major of shopping in Barcelona, long of 5km, starts in Las Ramblas, via Plaza Cataluña and Passeig de Grácia, until Avenida Diagonal. These places are universally known and make the dream of any fan of shopping.