This space is part of the so-called Pompeian Gallery, commissioned by Leopoldo of Bourbon, Lieutenant of Sicily from 1830 to 1835. The hall, set against a greenish-blue background, was decorated around 1830 by Giuseppe Patania in the neoclassical style. It features mythological scenes inspired by the archaeological discoveries of Herculaneum and Pompeii, including, at the center of the ceiling, Eros and Aphrodite on a chariot.
The Hall takes its name from the 21 portraits hanging on its walls, depicting viceroys, lieutenants, and presidents of the Bourbon Kingdom of Sicily. Among the prominent figures portrayed are Domenico Caracciolo di Villamaina, who abolished the Inquisition tribunal in 1782, and Francesco D’Aquino, Prince of Caramanico, under whose mandate the Astronomical Observatory was established in 1790 on the Pisan Tower of the Royal Palace.
