The hidden chapel where St. Catherine of Siena died in Rome is located in the Palazzo Santa Chiara on Via di S. Chiara, 14. (photo: Courtney Mares) Courtney Mares/CNA News April 29, 2024.

St. Catherine of Siena was a third-order Dominican, peacemaker and advisor to the Pope. She singlehandedly ended the Avignon exile of the successor of St. Peter in the 14th Century.