In J. R. R. Tolkien's fictional world of Middle-earth, Bag End was a smial (or hobbit-hole) in Hobbiton, above Bagshot Row. Bag End is described in The Hobbit and The Lord of the Rings.
The name "Bag End" comes from the farmhouse in the tiny Worcestershire village of Dormston, in which Tolkien's aunt lived. It can also be seen as a pun on "cul-de-sac" (literally, "bottom of the bag"). In the books, it is supposedly a translation of the fictional Westron language word Labin-nec, which has much the same meaning, and the same relationship to the Westron form of Baggins: Labingi.
It has also been said that the tiny village of Bag Enderby in the Lincolnshire Wolds may also hold some inspiration for the origin of the name.
In The Hobbit, Tolkien describes Bag End:
The Hobbit's main character, Bilbo Baggins, inherited the home from his parents, Bungo and Belladonna Baggins, who built the smial in 2889 Third Age. The hobbit hole is noted to have a green door with a round brass knob,...