Oldenswort
| Oldenswort Oldensvort | |
|---|---|
| Coordinates: 54°22′N 8°55′E / 54.367°N 8.917°E | |
| Country | Germany | 
| State | Schleswig-Holstein | 
| District | Nordfriesland | 
| Municipal assoc. | Eiderstedt | 
| Government | |
| • Mayor | Frank-Michael Tranzer (SPD) | 
| Area | |
|  • Total | 45.84 km2 (17.70 sq mi) | 
| Elevation | 0 m (0 ft) | 
| Population  (2023-12-31) | |
|  • Total | 1,268 | 
| • Density | 28/km2 (72/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 25870 | 
| Dialling codes | 04864 | 
| Vehicle registration | NF | 
Oldenswort (Danish: Oldensvort) is a municipality in the district of Nordfriesland, in Schleswig-Holstein, Germany, next to the river Eider.