Santa Croce in Gerusalemme
The relics of the Saint Caesarius deacon and martyr are preserved in the Basilica Santa Croce in Gerusalemme in Rome (basalt urn of high altar), in the Basilica of San Frediano of Lucca, Tuscany (urn with six bones), and in Terracina Cathedral (urn with two shins and a reliquary arm).