Alkersum
| Alkersum Aalkersem | |
|---|---|
| A park in Alkersum | |
| Coordinates: 54°42′35″N 8°30′46″E / 54.70972°N 8.51278°E | |
| Country | Germany | 
| State | Schleswig-Holstein | 
| District | Nordfriesland | 
| Municipal assoc. | Föhr-Amrum | 
| Government | |
| • Mayor | Ina Ketels | 
| Area | |
|  • Total | 9.07 km2 (3.50 sq mi) | 
| Elevation | 6 m (20 ft) | 
| Population  (2023-12-31) | |
|  • Total | 403 | 
| • Density | 44/km2 (120/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 25938 | 
| Dialling codes | 04681 | 
| Vehicle registration | NF | 
| Website | www.alkersum.de | 
Alkersum (Fering: Aalkersem, Danish: Alkersum) is a municipality in the Nordfriesland district, in Schleswig-Holstein, northern Germany.