During the Norman period in Sicily, was part of the private apartment of the sovereign. In the first half of the 19C was the hall of the apartment used by the Bourbon kings. At the time of the Savoy was used as a living room and there were placed the two great Sicilian landscapes. The paintings were purchased by King Umberto I on the occasion of National Palermo in 1891 along with that of the painter Anna Maria Cariolato “The Prayer” from which the name of the hall.

The furniture, made from four large sofas with relative benches and a console, in carved and lacquered in white with gold tooling, are half of the nineteenth century. The octagonal table in the center of the room in inlaid wood and carved by ornamental design Hispano-Arabic, characterizes the style of oriental furniture European 19C Sicilian invoice.