The Palazzo Colonna Foundation was established in December 2015 by Prince Prospero Colonna and his wife, Princess Jeanne Colonna Pavoncelli.

The main purpose of the Foundation is to control, preserve and culturally enhance the most artistically representative spaces of the Colonna Palace in Rome.

Amongst these, the Colonna Gallery (17th c.) and the Princess Isabelle Apartment (15th c.), are open to the public every Saturday morning year round, from 9.00 to 13.15 (last admission) and by reservation – for private visits – all the remaining days of the year inclusive of public holidays (

The Colonna Palace of Paliano (17th c., located in the vicinity of Rome) also pertains to the Palazzo Colonna Foundation and can be visited by small groups upon prior arrangements.

The head office of the Palazzo Colonna Foundation is located in Rome, Piazza SS. Apostoli, 66 (telephone no. +39 06 6784350, email address

President of the Foundation: Prospero Colonna

Vice President: Jeanne Pavoncelli Colonna

Public Relations: Patrizia Piergiovanni, Director of the Colonna Gallery

Donna Jeanne and Don Prospero

The head office of the Palazzo Colonna Foundation is located in:

Piazza SS. Apostoli, 66 – Rome

Telephone no. +39 06 6784350

Email address

Donna Jeanne and Don Prospero


  • Volume “ Palazzo Colonna nel Settecento- Architettura e potere nel secolo dei lumi ” (2020, with Centro Studi sulla Cultura e l’Immagine di Roma and Politecnico di Torino, Department of Architecture and Design)
  • Book “ Appuntamento a Palazzo ” (2019)
  • Presentation of the new catalogue “ Catalogo dipinti dell’Appartamento Principessa Isabelle ” (Princess Isabelle Apartment, 25 June 2019)
  • Concert of The Carabinieri Music Band on the occasion of the 150th anniversary of the foundation of the Circolo San Pietro (Colonna Gallery, 7 May 2019)
  • Presentation of the volume “ Palazzo Colonna, Giardini, la Storia e le Antichita’ ” (March 2019)
  • Meeting with the directors of the major Italian and international museums in collaboration with the Vatican Museums (Colonna Gallery, 12 October 2018)
  • New video of Palazzo Colonna and Galleria Colonna website update (2018)
  • New edition of “ Catalogo dei dipinti della Galleria Colonna ” (2018)
  • Video of The Colonna Palace of Paliano and website update (2017)
  • Lecture for the 600th anniversary of the election of Pope Martin V, Oddone Colonna, to the papal throne (Colonna Gallery, 11 November 2017)
  • Contacts and cultural exchanges in partnership with national and international museums
  • Cultural and special visits to Palazzo Colonna