Südtondern is an Amt ("collective municipality") in the district of Nordfriesland, in Schleswig-Holstein, Germany. In addition to the main seat in Niebüll, there are offices in Leck, Risum-Lindholm and Süderlügum.
History The Amt was formed on 1 January 2008 from the former Ämter Bökingharde, Karrharde, Süderlügum and Wiedingharde, and the municipalities Niebüll and Leck.
Subdivision The Amt Südtondern consists of the following municipalities:
Achtrup Aventoft Bosbüll Braderup Bramstedtlund Dagebüll Ellhöft Emmelsbüll-Horsbüll Enge-Sande Friedrich-Wilhelm-Lübke-Koog Galmsbüll Holm Humptrup Karlum Klanxbüll Klixbüll Ladelund Leck Lexgaard Neukirchen Niebüll Risum-Lindholm Rodenäs Sprakebüll Stadum Stedesand Süderlügum Tinningstedt Uphusum Westre
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