 This church was made the "national church" of the Bolognese in Rome in 1581, by order of Pope Gregory XIII.It is located in the Rione of Regola, on Via del Mascherone, across the street and just south of the Gardens behind the Palazzo Farnese.Mention of a parish church on the site was mentioned by 1186, and it was attached to the church of San Lorenzo in Damaso.