# Sønderborg

> town in Denmark

**Wikidata**: [Q21179](https://www.wikidata.org/wiki/Q21179)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sønderborg)  
**Source**: https://4ort.xyz/entity/snderborg

## Summary
Sønderborg is a town in Denmark with a population of 27,595 (as of 2016) and an area of 13.4 square kilometers. It serves as the capital of Sønderborg Municipality and is located in the South Denmark Region. The town is known for its historical significance, cultural heritage, and strategic coastal position.

## Key Facts
- **Population**: 27,595 (as of 2016).
- **Area**: 13.4 square kilometers.
- **Elevation**: 17 meters above sea level.
- **Coordinates**: 54.911388888889° N, 9.7866666666667° E.
- **Postal Code**: DK-6400 Sønderborg.
- **Timezone**: UTC+01:00 (standard time), UTC+02:00 (daylight saving time).
- **Country**: Denmark.
- **Capital of**: Sønderborg Municipality (since 2007).
- **Historical Municipality**: Sønderborg Municipality (1970–2006).
- **UN/LOCODE**: DKSGD.
- **Geonames ID**: 2613102.
- **MusicBrainz Area ID**: 56f01f31-14e6-48a9-8592-80bfe628c0f8.
- **Official Name**: Sønderborg.
- **Aliases**: Sonderborg, Soenderborg, Sonderburg, Sönderborg, ゾンダーブルク, 森納堡, Зондербург.
- **Website**: [www.sonderborg.dk](http://www.sonderborg.dk).
- **Described by Sources**: Sytin Military Encyclopedia, Brockhaus and Efron Encyclopedic Dictionary, Topographia Saxoniae Inferioris, Encyclopædia Britannica 11th edition, Trap Danmark (5th ed.).
- **Twinned with**: Finsterwalde, Sundsvall Municipality, Pori, Sigtuna Municipality, Olsztyn (since 1994).

## FAQs
**What is the population of Sønderborg?**
As of 2016, Sønderborg had a population of 27,595.

**What is the area of Sønderborg?**
Sønderborg covers an area of 13.4 square kilometers.

**What is the postal code for Sønderborg?**
The postal code for Sønderborg is DK-6400.

**What is the timezone for Sønderborg?**
Sønderborg operates on UTC+01:00 (standard time) and UTC+02:00 (daylight saving time).

**What is the elevation of Sønderborg?**
Sønderborg is located at an elevation of 17 meters above sea level.

**What is the official name of Sønderborg?**
The official name of Sønderborg is Sønderborg.

**What are the aliases for Sønderborg?**
Sønderborg is also known as Sonderborg, Soenderborg, Sonderburg, Sönderborg, ゾンダーブルク, 森納堡, and Зондербург.

**What is the website for Sønderborg?**
The official website for Sønderborg is [www.sonderborg.dk](http://www.sonderborg.dk).

**What sources describe Sønderborg?**
Sønderborg is described by the Sytin Military Encyclopedia, Brockhaus and Efron Encyclopedic Dictionary, Topographia Saxoniae Inferioris, Encyclopædia Britannica 11th edition, and Trap Danmark (5th ed.).

**Which towns is Sønderborg twinned with?**
Sønderborg is twinned with Finsterwalde, Sundsvall Municipality, Pori, Sigtuna Municipality, and Olsztyn (since 1994).

## Why It Matters
Sønderborg holds historical and cultural significance as the capital of Sønderborg Municipality and a key town in Denmark. Its strategic coastal location and rich heritage make it an important part of the South Denmark Region. The town’s historical development, from its medieval origins to its modern role as an administrative center, reflects its enduring importance in Danish regional governance and cultural identity.

## Notable For
- Serving as the capital of Sønderborg Municipality since 2007.
- Being the administrative center of the South Denmark Region.
- Having a historical significance as part of Sønderborg Municipality (1970–2006).
- Being twinned with several international municipalities, including Olsztyn (since 1994).
- Being described in multiple historical and encyclopedic sources, including the Sytin Military Encyclopedia and Encyclopædia Britannica 11th edition.
- Having a population of 27,595 (as of 2016) and covering an area of 13.4 square kilometers.
- Being located at an elevation of 17 meters above sea level.

## Body
### Geography and Location
Sønderborg is situated in the South Denmark Region of Denmark, with coordinates 54.911388888889° N, 9.7866666666667° E. The town has an area of 13.4 square kilometers and an elevation of 17 meters above sea level. It is located in Sønderborg Municipality, which it has been the capital of since 2007. Previously, Sønderborg was part of Sønderborg Municipality (1970–2006).

### Demographics
As of 2016, Sønderborg had a population of 27,595. The town is known for its cultural heritage and historical significance, making it an important part of Danish regional governance and cultural identity.

### Administration and Governance
Sønderborg serves as the capital of Sønderborg Municipality, which it has been the capital of since 2007. The town is also associated with the South Denmark Region and has a postal code of DK-6400. Sønderborg operates on UTC+01:00 (standard time) and UTC+02:00 (daylight saving time).

### Historical and Cultural Significance
Sønderborg is described in multiple historical and encyclopedic sources, including the Sytin Military Encyclopedia, Brockhaus and Efron Encyclopedic Dictionary, Topographia Saxoniae Inferioris, Encyclopædia Britannica 11th edition, and Trap Danmark (5th ed.). The town’s historical development reflects its enduring importance in Danish regional governance and cultural identity.

### Twinning Relationships
Sønderborg is twinned with several international municipalities, including Finsterwalde, Sundsvall Municipality, Pori, Sigtuna Municipality, and Olsztyn (since 1994). These twinning relationships highlight Sønderborg’s international connections and collaborative efforts.

### Digital and Online Presence
Sønderborg has an official website at [www.sonderborg.dk](http://www.sonderborg.dk) and is associated with various digital identifiers, including a MusicBrainz Area ID of 56f01f31-14e6-48a9-8592-80bfe628c0f8. The town is also referenced in multiple digital encyclopedias and databases, such as the Bibliothèque nationale de France and the National Library of Israel.

### Miscellaneous Identifiers
Sønderborg is associated with various identifiers, including a Geonames ID of 2613102, a UN/LOCODE of DKSGD, and a national library identifier from the National Library of Israel. The town is also referenced in the Encyclopædia Britannica Online and the Online PWN Encyclopedia.

## References

1. [Source](https://www.olsztyn.eu/pl/o-olsztynie/tozsamosc-miasta/miasta-blizniacze.html)
2. Virtual International Authority File
3. BnF authorities
4. Czech National Authority Database
5. MusicBrainz
6. [Source](http://www.statbank.dk/BY1)
7. GeoNames
8. [Source](https://service.unece.org/trade/locode/dk.htm)
9. [archINFORM](https://www.archinform.net/service/wd_aiort.php)
10. National Library of Israel Names and Subjects Authority File
11. museum-digital