The station was opened on 20 September 1925, upon the inauguration of the
Passante Ferroviario di Napoli. It was an open-cut station with four tracks, located beneath the old passenger building of
Napoli Centrale railway station from 1866, which was freed up due to the eastward relocation of the surface tracks. Originally referred to as the
lower yard of the Centrale station, it was officially named
Napoli Piazza Garibaldi on May 12, 1927. After
World War II, following the construction of the new
passenger building of Napoli Centrale station (1954–60) and the subsequent demolition of all pre-existing structures, the "trench" of Piazza Garibaldi station was covered, allowing for a significant expansion of the square above. On March 27, 2017, it became an unstaffed stop. ==Passenger and train movements==