Chiesa di Santa Maria Antiqua
The church of Santa Maria Antiqua, built in the 5th century, is the oldest Christian building in the Forum. The interior of the church is decorated with ancient Byzantine frescoes, dating from the time of Popes Martin I (649-655), John VII (705-707) and Zechariah (741-752). It contains the oldest representation in Rome of Santa Maria Regina, the Virgin Mary as Queen, dating from the second century.