San Paolo alla Regola is an 18th century titular and convent church. The inscription on the facade reads: GENTIVM · DOCTORI · DIVO · PAVLO · APOSTOLO · COLLEGIVM · SICVLVM · TERT · ORD · S · FRANCISCI (The Sicilian college of the Third Order of St Francis to Saint Paul the Apostle the teacher of the Gentiles).
Bas-relief of St Paul
The facade also sports a bas-relief of St Paul holding a book and a sword.