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 della Rotonda the fountain in the Piazza della Rotonda was authorized on September 25, together with a fountain for Piazza Colonna, and two more for Piazza Navona; the fountain for the Rotonda, completed in 1575, was of a chalice-type design, around 3.5 to 4 meters in height, and fed with the Vergine water through a terracotta conduit. Della Porta designed the fountain, and Leonardo Sormani executed it. Due to the slope of the piazza, the fountain is approached by five steps on the south side, and only two on the north. Under the pontificate of Alexander VII Chigi, projects were set afoot