New Castle, better known as Maschio Angioino, is a symbol of the city of Naples. Overlooks the spectacular Piazza Municipio.
The castle houses the Society Neapolitan history of the country and the Naples Institute for
the History of Italian Renaissance, housed in the premises of SNSP. The complex is also located the Museum of Naples,
which pertain to the Palatine Chapel and the paths of the museum first and second floor.

 Its construction is the initiative of Charles I of Anjou, who in 1266 defeated the Swabians, ascended the throne of Naples and Sicily, and established the capital was moved from Palermo to Naples city. The presence of a monarchy was set up outside the town planning of Naples around the center of royal power, providing an alternative urban center, formed by the two main port and its adjacent castles, Castel Capuano and Castel dell'Ovo. This relationship between the royal court and town planning had already expressed with Frederick II, who in the thirteenth century, in the Swabian statute had focused more attention on the way castles overlooking the city walls. At the two existing castles Angevins added the chief, Castel Nuovo, which was not only fortification but above all their grandiose palace. After so many loot the castle was rebuilt by Alfonso of Aragon shows irregularly trapezoidal in plan and was defended by five large round towers, four coated Piperno and tufa, and crowned with battlements on corbels. The three towers on the side facing land, which is the entrance, are the towers "St. George", "middle" and "guard" (from left to right), while the two on the side facing the sea are called the tower "Gold" and tower Beverello "(again from left to right). The castle is surrounded by a moat and towers rising on large stands at the embankment, where the weaving of complex designs assume blocks of stone, drawing examples Catalans. On the north side opens at the tower Beverello "one of the windows of the Crusades," Hall of the Barons, "while the other two windows overlooking the east side towards the sea. At the center of this side of the wall of the "Palatine Chapel", with two narrow lancet between polygonal towers. Follows a body of advanced manufacturing,which originally supported a loggia and a section covered with two overlapping arches, protected on the other corner tower called "Gold. On the south side of the curtain overlaps a long gallery.

 Between the two towers which defend the entrance (towers "Middle" and "guards") was erected a triumphal arch of marble, intended to celebrate the memory of King Alfonso the entrance to the capital. The work is inspired by Roman triumphal arches.A bow lower, framed by paired Corinthian columns, has the sides of the transition relief depicting Alfonso among relatives, the captains and the great officers of the kingdom on the attic relief depicting the Triumph of Alfonso. A second arch overlaps the first, with paired Ionic columns, and was to house the statue of the king. The attic the statues of the four virtues (Temperance, Justice, Fortitude and Magnanimity), placed in niches, surmounted by a crown-shaped semi-circular pediment with figures of rivers and on top of the statue of San Michele. The sculptures are attributed to important artists of the time: Guillem Sagrera, Domenico Gagini, Isaia da Pisa and Francesco Laurana.