Sundern | |
|---|---|
Townhall of Sundern | |
Location of Sundern
within Hochsauerlandkreis district | |
![]() Interactive map of Sundern | |
| Coordinates: 51°19′N 08°00′E / 51.317°N 8.000°E | |
| Country | Germany |
| State | North Rhine-Westphalia |
| Admin. region | Arnsberg |
| District | Hochsauerlandkreis |
| Subdivisions | 18 |
| Government | |
| • Mayor (2020–25) | Klaus-Rainer Willeke (SPD) |
| Area | |
• Total | 193.27 km2 (74.62 sq mi) |
| Elevation | 195–648 m (640–2,126 ft) |
| Population (2025-12-31) | |
• Total | 27,490 |
| • Density | 142.2/km2 (368.4/sq mi) |
| Time zone | UTC+01:00 (CET) |
| • Summer (DST) | UTC+02:00 (CEST) |
| Postal codes | 59846 |
| Dialling codes | 02933, 02934, 02935, 02393, 02395, 02724 |
| Vehicle registration | HSK |
| Website | www.sundern.de |
Sundern (German pronunciation: [ˈzʊndɐn] ⓘ) is a town in the Hochsauerland district, in North Rhine-Westphalia, Germany. The name Sundern is common in Westphalia, as it means "ground given away for private usage" in the Westphalian dialect.
Sundern is situated approximately 10 km (6 mi) south-west of Arnsberg. Around Sundern extends the nature park Homert which attracts tourists, many from the Netherlands. Winter tourism is also substantial, primarily in the municipality Wildewiese with its skiing area. The Sorpesee, an artificial lake, is used by watersportsmen, campers and fishermen.
Sundern consists of 16 Ortschaften (subdivisions):

Historical population | ||||||||||||||||||||||||||||||||||||||||||||||
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| Source: Landesdatabank Nordrhein-Westfalen | ||||||||||||||||||||||||||||||||||||||||||||||
Sundern is twinned with:
The main industries of Sundern are several domestic and industrial lighting companies, household appliances and packaging businesses. SEVERIN Elektrogeräte GmbH has its headquarters in Sundern.