headland, or a peninsula as is the case of the former island of Reersø. Denmark's second largest island, the North Jutlandic Island, was not always an island. A storm on 3 February 1825 penetrated the narrow land mass, Agger Tange, and thus separated Northern Jutland from the rest of Jutland. The area had earlier been an island, when a strait at Vust had been open prior to the 12th century. List of 100 largest Danish islands This is a list of the 100 largest islands of Denmark (press the symbol after the headings in the table to rearrange the list according to population size, location or alphabetically): Other populated islands Frederiksø - see Christiansø above Store Okseø, 3 inhabitants Egholm Areas sometimes referred to as islands Jordsand, a former island Vejlø, a peninsula but in some sources referred to as an island Christianshavn, considered part of Amager Island Holmen, considered part of Christianshavn/Amager Other small unpopulated islands Lindholm, Stege Bugt (which has a medical research facility) See also Danish straits Faroe Islands Greenland List of islands in the Atlantic Ocean Lists of islands References External links Statistics Denmark Populated islands National survey authority Danish Wikipedia List of inhabited islands Denmark Islands