The Basilica di San Crisogono is a historic church located in the Trastevere district of Rome, Italy. It is dedicated to Saint Chrysogonus, a Christian martyr from the 4th century. The church has origins dating back to the 4th century, although it has undergone several renovations over the years, particularly in the 12th century. The basilica features a beautiful Romanesque façade and an interior adorned with stunning mosaics and frescoes. Notable elements include the ancient columns and the altar, which houses a relic of Saint Chrysogonus. The church is an important example of early Christian architecture and attracts visitors interested in Rome's rich religious history.