Castelldefels mosque, Catalonia, Spain This mosque is located at this address: Avinguda de la Constitució, 75-, 08860 Castelldefels, Barcelona. There is nothing to say this is a mosque but the entrance is just next to the main gym on that road. It has two entrances and there is a Jumuah prayer. If you are staying in Castelldefels Plaja then you can take bus 95 which has a stop just next to the mosque....Read More