It is the principal national collection of older paintings in Rome – mostly from before 1800; it does not hold any antiquities.

[2] The gallery's collection includes works by Bernini, Caravaggio, van Dyck, Holbein, Beato Angelico, Lippi, Lotto, Preti, Poussin, El Greco, Raphael, Tiepolo, Tintoretto, Rubens, Murillo, Ribera and Titian.

Its central salon ceiling was decorated by Pietro da Cortona with the visual panegyric of the Allegory of Divine Providence and Barberini Power.

[3] The Museum expanded through purchases and donations, such as the acquisition of the Torlonia and Monte di Pietà collections in 1892, the donation of Henriette Hertz in 1915, and the purchase of the Chigi collection in 1918.

[4] Pierre-Étienne Monnot Perugino The Palazzo Corsini, formerly known as Palazzo Riario, is a fifteenth-century palace, rebuilt in the eighteenth century by the architect Ferdinando Fuga for Cardinal Neri Maria Corsini.