Ronda de Sant Pere is a thoroughfare in central Barcelona, Catalonia, Spain, one of the main roads in the lower side of Dreta de l'Eixample, part of the Eixample district. It runs from the Arc de Triomf, in Passeig de Lluís Companys, through Plaça Urquinaona towards Plaça de Catalunya, where the medieval city walls stood before the construction of Eixample. After Plaça de Catalunya it becomes Ronda de la Universitat.