J. R. R. Tolkien's Middle-earth legendarium features dragons based on those of European legend, but going beyond them in having personalities of their own, such as the wily Smaug, who has features of both Fafnir and the Beowulf dragon.
Sigurd kills the dragon Fafnir. Wood-carving in Hylestad Stave Church, 12th–13th century. Smaug resembles Fafnir in several respects.
A painting of Ancalagon the Black
Smaug in fan art
Middle-earth is the setting of much of the English writer J. R. R. Tolkien's fantasy. The term is equivalent to the Miðgarðr of Norse mythology and Middangeard in Old English works, including Beowulf. Middle-earth is the human-inhabited world, that is, the central continent of the Earth, in Tolkien's imagined mythological past. Tolkien's most widely read works, The Hobbit and The Lord of the Rings, are set entirely in Middle-earth. "Middle-earth" has also become a short-hand term for Tolkien's legendarium, his large body of fantasy writings, and for the entirety of his fictional world.
A detail of Middle-earth in one of Peter Jackson's film sets
Medieval Christian cosmology: heaven above, earth in the middle, hell below. Vank Cathedral, Isfahan.