| Fourth Municipality of Naples | |
| Native Name: | Municipalità 4 Quarta Municipalità |
| Type: | Borough |
| Coordinates: | 40.8514°N 14.2888°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Italy |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Naples |
| Established Title: | Established |
| Established Date: | 2005 |
| Seat Type: | Seat |
| Seat: | Via Emanuele Gianturco, 91 |
| Leader Title: | President |
| Leader Name: | Giampiero Perrella |
| Leader Title2: | Vice President |
| Area Total Km2: | 9.27 |
| Population Total: | 96,078 |
| Population As Of: | 2007 |
| Population Density Km2: | auto |
| Website: | M4 on Naples site |
The Fourth Municipality (In Italian: Quarta Municipalità or Municipalità 4) is one of the ten boroughs in which the Italian city of Naples is divided.[1]
The municipality is located in central-eastern area of the city and includes the eastern branch of the Port of Naples.
Its territory includes the zones of Decumani, Centro Storico (historical center, partly included), Porta San Gennaro, Port'Alba, Porta Capuana, Borgo Sant'Antonio Abate, Vasto, Arenaccia, Ferrovia (railway), Sant'Erasmo, Rione Luzzatti, Rione Ascarelli, Rione Sant'Alfonso, Zona Cimiteriale (cemetery of Poggioreale) and Stadera.
The Fourth Municipality is divided into 4 quarters:
| Quarter | Population | Area (km²) | |
|---|---|---|---|
| Poggioreale | 25,257 | 4.45 | |
| San Lorenzo | 49,275 | 1.42 | |
| Vicaria | 15,464 | 0.72 | |
| Zona Industriale | 6,082 | 2.68 | |
| Total | 96,078 | 9.27 |