San Cesareo de Appia

San Cesareo in Palatio or San Caesareo de Appia is a titular church in Rome dedicated to Saint Caesarius of Terracina, a 2nd-century deacon and martyr. It is located near Casina del Cardinal Bessarione on Via di Porta San Sebastiano and the beginning of the Appian Way. The present church was constructed in the early 17th century, but the church could trace its origin to the 4th century.

Source: Wikipedia