Jadebusen
Besides the aforementioned islands of Heligoland, which form the northwestern boundary of the Heligoland Bight, there is the small island of Neuwerk in the southeast, which is located in the Wadden Sea off the Elbe estuary. South of this island is the estuary of the Weser and, to its west, the Jade Bight. Southwest of the Heligoland Bight is the East Frisian island of Wangerooge. East of the bight the Eider enters the sea with, to its north the Eiderstedt Peninsula and, to its south, Meldorf Bay.