Halligen Frisian is the dialect

Dialect

The term dialect is used in two distinct ways, even by linguists. One usage refers to a variety of a language that is a characteristic of a particular group of the language's speakers. The term is applied most often to regional speech patterns, but a dialect may also be defined by other factors,...

 of the North Frisian language

North Frisian language

North Frisian is a minority language of Germany, spoken by about 10,000 people in North Frisia. The language is part of the larger group of the West Germanic Frisian languages.-Classification:...

 spoken on the Halligen islands, primarily Langeneß

Langeneß

Langeneß is a municipality in the district of Nordfriesland, in Schleswig-Holstein, Germany. It consists of the halligen Langeneß and Oland. Before the flood of 1634 the two islands were directly attached....

 and Hooge, in the German

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 region of North Frisia

North Frisia

North Frisia or Northern Friesland is the northernmost portion of Frisia, located primarily in Germany between the rivers Eider and Wiedau/Vidå. It includes a number of islands, e.g., Sylt, Föhr, Amrum, Nordstrand, and Heligoland.-History:...

. Although it is spoken on islands, it is considered a mainland rather than an insular dialect due to its similarities with Goesharde Frisian. The dialect has survived despite the islands' being home to less than 300 people and unprotected by dikes, mandating evacuations during storms. However, it is now in danger of extinction.