Noun
Hallig (plural Halligs or Halligen)
Any of a group of German North Sea islands without protective dykes.
Hyponyms: Gröde, Habel, Hooge, Langeness, Norderoog, Nordstrandischmoor, Süderoog, Südfall
Another theory places Rungholt to the north of the Hallig Südfall. citation citation citation History Today it is widely accepted that Rungholt did in fact exist and was not just a local legend. Source: Internet