Nordsee-Treene
| Nordsee-Treene | |
|---|---|
| Map of Nordfriesland highlighting Nordsee-Treene | |
| Country | Germany | 
| State | Schleswig-Holstein | 
| District | Nordfriesland | 
| Region seat | Mildstedt | 
| Government | |
| • Amtsvorsteher | Eva-Maria Kühl (CDU) | 
| Area | |
|  • Total | 412.1 km2 (159.1 sq mi) | 
| Population  (2020-12-31) | |
|  • Total | 23,655 | 
| Website | amt-nordsee-treene.de | 
Nordsee-Treene is an Amt ("collective municipality") in the district of Nordfriesland, in Schleswig-Holstein, Germany. Its seat is in Mildstedt. It was formed on 1 January 2008 from the former Ämter Friedrichstadt (except the town Friedrichstadt), Hattstedt, Nordstrand and Treene.
The Amt Nordsee-Treene consists of the following municipalities:
54°27′42″N 9°05′43″E / 54.461667°N 9.095278°E