List of islands of Denmark

This is a list of islands of Denmark.

There are about 406 islands in Denmark, not including the Faroe Islands or Greenland. Some 70 of them are populated but the remainder are uninhabited. Some of the uninhabited islands have only become uninhabited in recent decades, for economic reasons.

Different lists of Danish islands vary, depending on how the word "island" is defined. According to the official Danish Government definition, an "island" needs to be surrounded by water at least one-half metre deep and also have land vegetation growing on it to be recorded as such.

Another common criterion is that an "island" needs to be surrounded by free-flowing, natural water and not just an artificial, narrow canal. According to this criterion, places such as Christianshavn and Holmen in Copenhagen, although sometimes referred to as artificial islands, are actually parts of the island of Amager.

The number of islands in Denmark changes from time to time. New islands are occasionally formed by sedimentation. Several examples of these new islands are found in the waters around Æbelø, north of Funen, including Drætlingen which formed in the late 1990s, and a still unnamed islet that was registered in 2008. These new islands are generally less stable than larger, morainic islands, and may later disappear again. Other islands are created artificially. Peberholm, formed in the process of construction of the Øresund Bridge, is a notable example. Other artificial Danish islands include a number of marine fortresses off Copenhagen, such as Middelgrundsfortet, Trekroner Fort and Flakfortet.

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