Pizzeria Da Nanni Barcelona. One of the best pizza bars in Barcelona located in the Gothic area of Barcelona's old quarter. No seating. It's takeaway street food napoletano in Barcelona with focus on keeping prices low, quality good and serving time fast. You can also find Da Nanni locations in the Born area on Carrer Rec 30 - in the Raval on C/ Tallers 72 - and C/ Tallers 69 - in Poblenou on Rambla del Poblenou 20-and in Gracia area on Carrer Verdi 35.