Piazza della Repubblica, Rome Piazza della Repubblica, Rome Piazza della Repubblica is a semi-circular piazza in Rome, at the summit of the Viminal Hill, next to the Termini station. On it is to be found Santa Maria degli Angeli e dei Martiri. It is served by the Repubblica – Teatro dell'Opera Metro station. From the square starts one of the main streets of Rome, Via Nazionale. The former name of the piazza, "Piazza dell'Esedra", still very common today, originates in the large exedra of the baths of Diocletian, which gives the piazza its shape. The porticos around the piazza, built in 1887–98 by Gaetano
Piazza Navona Rainaldi, that accommodates the long gallery designed by Borromini and frescoed by Pietro da Cortona. Piazza Navona has two other fountains. At the southern end is the "Fontana del Moro" with a basin and four Tritons sculpted by Giacomo della Porta (1575) to which, in 1673, Bernini added a statue of a Moor, wrestling with a dolphin. At the northern end is the Fountain of Neptune (1574) also created by Giacomo della Porta; the statue of Neptune, by Antonio Della Bitta, was added in 1878 to create a balance with "La Fontana del Moro". During its history, the piazza has