# San Carlos

> municipality in Río San Juan Department, Nicaragua

**Wikidata**: [Q1020320](https://www.wikidata.org/wiki/Q1020320)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/San_Carlos,_Nicaragua)  
**Source**: https://4ort.xyz/entity/san-carlos-q1020320

## Summary

San Carlos is a municipality and city in the Río San Juan Department of Nicaragua, serving as the departmental capital. Founded in 1526, it covers an area of 1,445 square kilometers and had a population of 37,461 as of the 2005 census. The city is situated at an elevation of 51 meters above sea level on the shores of Lake Nicaragua near the Río San Juan, and maintains twin city relationships with Linz, Austria (since 1988) and Nuremberg, Germany (since 1985).

## Key Facts

- **Official Name:** San Carlos
- **Entity Type:** City, municipality of Nicaragua
- **Location:** Río San Juan Department, Nicaragua (capital of the department)
- **Coordinates:** 11.123038888888889° N, 84.77834444444444° W
- **Area:** 1,445 square kilometers
- **Population:** 37,461 (2005 census)
- **Founded:** 1526
- **Elevation:** 51 meters above sea level
- **Timezone:** UTC−06:00
- **Postal Code:** 91000
- **Native Label:** San Carlos
- **Located next to:** Lake Nicaragua, Río San Juan
- **Twin Cities:** Linz (since 1988), Nuremberg (since 1985)
- **Wikidata Description:** municipality in Río San Juan Department, Nicaragua

## FAQs

**What type of administrative division is San Carlos?**

San Carlos is both a city and a municipality in Nicaragua. It serves as the capital of the Río San Juan Department, which is one of Nicaragua's administrative departments.

**When was San Carlos founded?**

San Carlos was founded in 1526, making it one of the older settlements in Nicaragua established during the Spanish colonial period.

**What is the population of San Carlos?**

According to the 2005 census, San Carlos had a population of 37,461 residents.

**What are the geographical features near San Carlos?**

San Carlos is located on the shores of Lake Nicaragua (Cocibolca) and near the Río San Juan river. The city sits at an elevation of 51 meters above sea level.

**What is San Carlos's relationship with other cities?**

San Carlos maintains twin city relationships with two European cities: Linz, Austria (partnership began in 1988) and Nuremberg, Germany (partnership began in 1985).

**What is the postal code for San Carlos?**

The postal code for San Carlos, Nicaragua is 91000.

**What department is San Carlos the capital of?**

San Carlos is the capital of the Río San Juan Department in southeastern Nicaragua.

## Why It Matters

San Carlos holds significant historical and administrative importance in Nicaragua. As one of the oldest settlements in the country, founded in 1526 during the Spanish colonial era, it represents nearly five centuries of continuous habitation and development. Its strategic location on the shores of Lake Nicaragua and near the Río San Juan made it historically important for transportation and trade routes between the Atlantic and Pacific coasts.

As the departmental capital of Río San Juan, San Carlos serves as the administrative, economic, and cultural center for the entire department. Its substantial territory of 1,445 square kilometers makes it one of the larger municipalities in the region, providing governance and public services to a significant rural and urban population.

The city's twin city relationships with Linz and Nuremberg demonstrate its international connections and participation in cultural exchange programs with European cities. These partnerships, established in the 1980s during a period of Cold War tensions, represent Nicaragua's efforts to maintain international relationships and sister city connections.

San Carlos's position near Lake Nicaragua, the largest lake in Central America, also gives it ecological and tourism significance, as the lake and surrounding regions are important for biodiversity and natural resource management in Nicaragua.

## Notable For

- **Historical Foundation:** One of the oldest continuously inhabited settlements in Nicaragua, founded in 1526
- **Departmental Capital:** Serves as the capital of Río San Juan Department
- **Geographical Position:** Located on the shores of Lake Nicaragua near the Río San Juan
- **International Partnerships:** Twin city relationships with Linz (since 1988) and Nuremberg (since 1985)
- **Large Municipal Area:** Covers 1,445 square kilometers
- **Lowland Elevation:** Situated at only 51 meters above sea level
- **Time Zone:** Uses UTC−06:00, standard Central American time

## Body

### History and Foundation

San Carlos was founded in 1526, placing its establishment during the early Spanish colonial period in Central America. The city was named after King Charles I of Spain (Carlos I), following the common practice of naming new settlements after Spanish monarchs. This makes San Carlos one of the oldest colonial settlements in Nicaragua, predating many other major cities in the country.

The founding date is well-documented and appears in multiple historical sources, with references to the year 1526 appearing in German Wikipedia historical records. The city's long history means it has witnessed numerous historical periods, from Spanish colonial rule through independence and into modern Nicaragua.

### Geography and Location

San Carlos is strategically positioned in southeastern Nicaragua, serving as the capital of the Río San Juan Department. The municipality covers an area of 1,445 square kilometers, making it one of the larger municipalities in the region. The city's coordinates are 11.123038888888889° north latitude and 84.77834444444444° west longitude.

The city sits at an elevation of 51 meters above sea level, placing it in the lowland tropical regions of Nicaragua. San Carlos is located on the shores of Lake Nicaragua (Cocibolca), the largest lake in Central America, and is near the Río San Juan river, which historically served as an important transportation route connecting the lake to the Caribbean Sea.

The timezone for San Carlos is UTC−06:00, consistent with standard Central American time. The postal code for the municipality is 91000.

### Population and Demographics

According to the 2005 census, San Carlos had a population of 37,461 residents. This figure represents the official census count from that year, though population changes have likely occurred since then due to migration, birth rates, and economic factors.

The population figure is documented with references to official census data, making it a verifiable statistic for the municipality. As a departmental capital, San Carlos serves as a population center for the surrounding rural areas of Río San Juan Department.

### Administrative Status

San Carlos holds dual classification as both a city and a municipality of Nicaragua. It serves as the capital of the Río San Juan Department, one of Nicaragua's 15 departments (administrative divisions). As the departmental capital, it houses the regional government offices and serves as the administrative center for the department.

The municipality's official name is simply "San Carlos," though it appears in various languages and forms in different contexts and databases. The city is distinct from other places named San Carlos, particularly San Carlos City, with which it is differentiated in various references.

### International Relations

San Carlos maintains twin city (sister city) relationships with two European cities:

**Linz, Austria:** The partnership with Linz began in 1988. Linz is a major city in Austria and known for its cultural institutions, including the Ars Electronica Center. The relationship represents a connection between Central American and Central European municipalities.

**Nuremberg, Germany:** The partnership with Nuremberg began in 1985. Nuremberg is a significant German city with a rich historical heritage. This earlier partnership predates the Linz relationship by three years.

These twin city relationships demonstrate San Carlos's international engagement and cultural exchange connections, particularly notable given the political context of the 1980s when both partnerships were established during Nicaragua's Sandinista period.

### Physical Features and Symbols

San Carlos has official municipal symbols including a flag and coat of arms. The flag of San Carlos, Nicaragua is available as a digital image from Wikimedia Commons. Similarly, the coat of arms (seal) of San Carlos is documented and accessible through Wikimedia Commons.

The city has a banner image used on Wikimedia Commons, depicting the San Carlos Nicaragua Banner. These visual symbols represent the municipal identity and are used in official contexts.

### Identification Codes and References

San Carlos has numerous identification codes across different databases and knowledge systems:

- **GeoNames ID:** 3616908
- **OpenStreetMap Node ID:** 12437216582
- **OpenStreetMap Relation ID:** 5758820
- **GND ID:** 4395137-5
- **VIAF ID:** 126725749
- **Freebase ID:** /m/06xgxh
- **FAST ID:** 1314678
- **Library of Congress Authority ID:** n84239789
- **GNS Unique Feature ID:** -1114126
- **iNaturalist Place ID:** 25762
- **Encyclopædia Britannica Online ID:** place/San-Carlos-Nicaragua
- **Wikidata ID:** Referenced as "San Carlos, Nicaragua"

The city has a Wikipedia presence with the title "San Carlos, Nicaragua" and is documented across 28 language versions of Wikipedia, including Arabic, Chinese, English, Spanish, French, German, Italian, Portuguese, Russian, and many others.

### Cultural and Natural Significance

San Carlos's location near Lake Nicaragua gives it access to one of the most significant freshwater bodies in Central America. Lake Nicaragua is notable for being the only freshwater lake in the world that contains oceanic fish species (such as tarpon), due to its historical connection to the Caribbean Sea via the Río San Juan.

The municipality's position along the Río San Juan historically made it important for transportation and trade, as this river provided a navigable route from the lake to the Caribbean coast. This geographical advantage contributed to the city's historical development as a strategic settlement.

### Additional Facts

The city is part of the commons category "San Carlos, Nicaragua" on Wikimedia Commons, indicating documented visual and informational resources about the municipality.

San Carlos is differentiated from other places named San Carlos, particularly "San Carlos (City)" which appears in references to distinguish between the municipality and other settlements with similar names.

The determination method for population data is listed as "census," specifically from 2005, making this figure an official count rather than an estimate.

## References

1. [Source](https://www.linz.at/politik/6311.php)
2. [Source](https://www.nuernberg.de/internet/international/san_carlos_partnerschaft.html)
3. GeoNames
4. Freebase Data Dumps. 2013
5. 2005 Nicaraguan census
6. [iNaturalist](https://www.inaturalist.org/places/inaturalist-places.csv.zip)