Piazza della Reppublica is most famous for the four beautiful representations of nude nymphs in the Fontana delle Naiadi, or Fountain of the Naiads.
Each figure lies on top of an aquatic animal representing water in its four principal guises: a sea horse for the oceans, a water snake for rivers, a swan for lakes, and a lizard for subterranean streams. The poses of each figure give the impression that they are enjoying where they are and what they are doing.