The piazza is octagonal four sides being the streets, and the remaining four sides are Baroque buildings the near identical facades of which contain fountains with statues of the four seasons, the four Spanish kings of Sicily, and of the patronesses of Palermo, (Cristina, Ninfa, Olivia, and Agata). The facades onto the interchange are curved, and rise to four floors; the fountains rise to the height of the second floor, the third and fourth floors contain the statues in niches.