cultural region bordering the North Sea and encompassing the coastal marshlands and East Frisian Islands (Ostfriesische Inseln) of northwestern Lower Saxony Land (state), north-central Germany. The region includes the Lower Saxony Wadden Sea National Park. East Friesland has close cultural ties with West Friesland in The Netherlands and North Friesland on the west coast of the Jutland Peninsula. The Frisians, traditionally known as a Germanic seafaring and commercial people, migrated to northern Germany from the Holland coast in the 12th century AD. The use of the old Frisian language, a dialect closely related to English, is diminishing in East Friesland; it is spoken only in a few small rural pockets, among these the marshy Saterland region west of Oldenburg. East Friesland is predominantly Protestant
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