island of Germany, in the North Sea: one of the North Frisian Islands: c. .25 sq mi (.65 sq km)
See Helgoland in American Heritage Dictionary 4
(hĕlˈgō-lăndˌ, -läntˌ)
An island of northwest Germany, one of the North Frisian Islands in Helgoland Bay, an inlet of the North Sea southwest of Jutland. The island belonged to Denmark and Great Britain before being ceded to Germany in 1890. It is a popular tourist resort.