Map of Tres Arroyos, Argentina

Tres Arroyos is a city in Buenos Aires, Argentina, with a population of about 52,199. It lies at 38.3769°S, 60.2756°W. Tres Arroyos is about 452 km (281 mi) south of Buenos Aires, the capital. The nearest city on our map is Necochea, 135 km to the east.

Tres Arroyos at a glance

Where is Tres Arroyos?

• Located in the Southern and Western hemispheres.
• Daylight ranges from about 9 h 29 min on the shortest day to 14 h 51 min on the longest day (around 21 June and 21 December).

Cities near Tres Arroyos

• Necochea — 135 km east
• Tandil — 154 km northeast
• Olavarría — 165 km north
• Punta Alta — 166 km west
• Bahía Blanca — 177 km west
• Azul — 182 km north
• Balcarce — 186 km east
• Miramar — 213 km east
• Mar del Plata — 241 km east
• Pehuajó — 320 km northwest

Largest cities in Buenos Aires

• Mar del Plata — 593,337
• Avellaneda — 367,554
• Bahía Blanca — 299,101
• Merlo — 268,961
• Quilmes — 262,379
• José C. Paz — 230,208
• Lanús — 212,252
• La Plata — 195,443
• Berazategui — 180,523
• San Miguel — 168,762

Largest cities in Argentina

• Buenos Aires — 2,891,082
• Córdoba — 2,106,734
• Rosario — 948,312
• Mar del Plata — 593,337
• San Miguel de Tucumán — 548,866
• Salta — 520,683
• Santa Fe — 391,164
• Avellaneda — 367,554
• Corrientes — 346,334
• Posadas — 305,874

Map of Argentina 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.