In J.R.R. Tolkien's The Lord of the Rings, the Bree inn where the hobbits meet Aragorn is the Prancing Pony.
The inn stands in Bree, a settlement inhabited by both Hobbits and Men. Frodo, Sam, Merry, and Pippin stay there during their journey east after leaving the Shire. Frodo uses the name Underhill while registering, but his attempt to remain inconspicuous fails when he puts on the One Ring during a song and vanishes.
The mysterious Ranger known as Strider is waiting in the inn. He is later revealed to be Aragorn, heir of Isildur and a major leader in the War of the Ring. The innkeeper, Barliman Butterbur, also plays an important role by passing on Gandalf's delayed message.
The Prancing Pony is sometimes confused with the Green Dragon, an inn in Hobbiton associated with the Shire. They are separate establishments in different locations.