Rugenbergen
Rugenbergen was a river island on the Elbe in Hamburg , which emerged around the year 1200 from part of the crumbled island of Gorieswerder ; later combined with the former Elbe island Griesenwerder , today Rugenbergen forms the southern part of the island of Hamburg-Waltershof and gave the Rugenberg harbor its name.
Politically, Rugenbergen has been part of Hamburg since the 15th century .
Coordinates: 53 ° 31 ' N , 9 ° 55' E