The best way to see the city of naples is on a vespa!!! – From Piazza Plebiscito to the train station in 8 minutes. Piazza Plebiscito is the largest square in Naples. It is named for the plebiscite taken on October 2 in 1870 that brought Naples into the unified Kingdom of Italy under the House of Savoy. Located at, it is bounded on the east by the Royal Palace and on the west by the church of San Francesco di Paola with the colonnades extending to both sides.