Map of Nettuno, Italy

Nettuno is a city in Lazio, Italy, with a population of about 49,873. It lies at 41.4579°N, 12.6639°E, about 11 m above sea level. Nettuno is about 50 km (31 mi) south of Rome, the capital. The nearest city on our map is Aprilia, 15 km to the north.

Nettuno at a glance

Where is Nettuno?

• The 9th largest city in Lazio on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 10 min on the shortest day to 15 h 11 min on the longest day (around 21 December and 21 June).

Cities near Nettuno

• Aprilia — 15 km north
• Latina — 20 km east
• Velletri — 27 km north
• Marino — 35 km north
• Ciampino — 38 km north
• Acilia-Castel Fusano-Ostia Antica — 44 km northwest
• Lido di Ostia — 44 km northwest
• Fiumicino — 50 km northwest
• Rome — 50 km north
• Vatican City — 52 km north, Vatican City

Largest cities in Lazio

• Rome — 2,318,895
• Acilia-Castel Fusano-Ostia Antica — 129,362
• Guidonia Montecelio — 89,165
• Lido di Ostia — 85,301
• Fiumicino — 80,738
• Latina — 76,305
• Aprilia — 74,977
• Velletri — 52,911
• Civitavecchia — 47,543
• Viterbo — 47,134

Largest cities in Italy

• Rome — 2,318,895
• Milan — 1,371,498
• Naples — 909,048
• Turin — 847,287
• Palermo — 648,260
• Genoa — 580,097
• Bologna — 394,843
• Florence — 367,150
• Bari — 316,491
• Catania — 311,584

Map of Italy and all its cities →

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.