In Slavic mythology

Slavic mythology

Slavic mythology is the mythological aspect of the polytheistic religion that was practised by the Slavs before Christianisation.The religion possesses many common traits with other religions descended from the Proto-Indo-European religion....

, Buyan (Буя́н) is described as a mysterious island

Island

An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

 in the ocean

Ocean

An ocean is a major body of saline water, and a principal component of the hydrosphere. Approximately 71% of the Earth's surface is covered by ocean, a continuous body of water that is customarily divided into several principal oceans and smaller seas.More than half of this area is over 3,000...

 with an ability to appear and disappear. Three brothers – Northern, Western, and Eastern Winds – live there. A lot of strange things are said to happen on this island; Koschei

Koschei

In Slavic folklore, Koschei is an archetypal male antagonist, described mainly as abducting the hero's wife. None of the existing tales actually describes his appearance, though in book illustrations, cartoons and cinema he has been most frequently represented as a very old and ugly-looking man...

 the Deathless keeps his soul hidden there inside a needle placed inside an egg in the mystical oak-tree

World tree

The world tree is a motif present in several religions and mythologies, particularly Indo-European religions, Siberian religions, and Native American religions. The world tree is represented as a colossal tree which supports the heavens, thereby connecting the heavens, the earth, and, through its...

, while other legends call the island the source of all weather, created there and moved into the world by the god Perun

Perun

In Slavic mythology, Perun is the highest god of the pantheon and the god of thunder and lightning. His other attributes were the fire, mountains, the oak, iris, eagle, firmament , horses and carts, weapons and war...

.

Some scholars interpret Buyan as a sort of Proto-Indo-European

Proto-Indo-Europeans

The Proto-Indo-Europeans were the speakers of the Proto-Indo-European language , a reconstructed prehistoric language of Eurasia.Knowledge of them comes chiefly from the linguistic reconstruction, along with material evidence from archaeology and archaeogenetics...

 Otherworld

Other World

The Otherworld is a concept in Celtic mythology, referring to a realm of the dead, the home of the deities or spirits....

 (see Fortunate Islands). Others assert that Buyan is actually a Slavic

Slavic languages

The Slavic languages , a group of closely related languages of the Slavic peoples and a subgroup of Indo-European languages, have speakers in most of Eastern Europe, in much of the Balkans, in parts of Central Europe, and in the northern part of Asia.-Branches:Scholars traditionally divide Slavic...

 name for some real island, most likely Rügen

Rügen

Rügen is Germany's largest island. Located in the Baltic Sea, it is part of the Vorpommern-Rügen district of Mecklenburg-Vorpommern.- Geography :Rügen is located off the north-eastern coast of Germany in the Baltic Sea...

.