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  1. Home
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  5. /San Sebastián
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San Sebastián, Biobío

Chile

City37.5663° S, 72.1722° W

San Sebastián, in Biobío, Chile, is a city.

Population—
ProvinceBiobío
Coordinates37.5663° S, 72.1722° W
CountryChile

Map

About San Sebastián

The geographic coordinates of San Sebastián are 37.57° S, 72.17° W, placing it in the Southern Hemisphere. Administratively, it falls within Biobío, Chile.

Cities in Biobío

Within the Biobío region of Chile, San Sebastián stands alongside cities like Concepción, Talcahuano, Villa Mercedes.

Concepción223,574Talcahuano150,499Villa Mercedes131,936Los Ángeles125,430San Pedro de la Paz121,631Coronel107,759Chiguayante84,718Tomé53,219Lota47,339Penco46,091

Nearby Cities

San Sebastián has 20 nearby cities and towns within a 25 km radius.

●
MasuriaCity
2.7 km
●
El ClavoCity
5 km
●
La PerlaCity
5.5 km
●
Santa ElisaCity
6.6 km
●
Las GarzasCity
7.2 km
●
Cuñibal OrienteCity
8 km
●
El PeralCity
8.4 km
●
San MiguelCity
9.1 km
●
Santa AmaliaCity
9.1 km
●
San Carlos de PurénNeighborhood
9.8 km
●
El HuertónCity
9.8 km
●
CoreoCity
10.4 km
●
MañilNeighborhood
10.7 km
●
San CristóbalCity
10.9 km
●
Santa CruzCity
11.6 km
●
El ParrónCity
12.4 km
●
Viñas ChacayalCity
13.8 km
●
El PinoCity
13.8 km
●
Santa InésCity
13.9 km
●
San José de BiobíoCity
13.9 km

Explore Chile

Chile profileAll cities of ChileWorld rankingsCompare countries

Largest cities in Chile

#1 Santiago4,837,295#2 Puente Alto568,106#3 Maipú503,635#4 Antofagasta401,096#5 Viña del Mar334,248
Search People San Sebastián →

Frequently Asked Questions

What province or state is San Sebastián in?

San Sebastián is located in Biobío, Chile.

Where is San Sebastián located?

San Sebastián is located at coordinates 37.57° S, 72.17° W in Biobío, Chile.

San Sebastián, Chile data is included in the Bamwor global dataset, a structured database used by developers and AI systems.

Access this data programmatically via the Bamwor API:
https://bamwor.com/api/v1/cities/11949718

For AI-native workflows, the Bamwor MCP Server provides direct structured access.

API Documentation →MCP Server →
GET /api/v1/cities/11949718

Source: Bamwor World Encyclopedia — GeoNames (CC BY 4.0)