where did frodo go at the end

Frodo sails into the West , to the Undying Lands (also called Valinor), leaving Middle‑earth behind at the end of The Return of the King.

What that place actually is

• The Undying Lands are a real, far‑western realm in Tolkien’s world, not “heaven” or an afterlife. Mortals can be allowed there by special grace, but they do not become immortal.

• Frodo travels there by Elven ship with Gandalf, Bilbo, Elrond, Galadriel and others when the Elves themselves depart.

Why Frodo leaves instead of staying in the Shire

• Frodo never fully heals from the spiritual and physical wounds of his quest (the Morgul‑blade at Weathertop, Shelob’s sting, and the Ring’s corruption).

• Those injuries return to torment him on their anniversaries, so normal life in the Shire can’t give him lasting peace.

• The Undying Lands offer him the closest thing to deep healing and rest he can have before he eventually dies as a mortal.

What happens to him there (as far as we know)

• Tolkien implies Frodo slowly recovers from his trauma and lives out the remainder of his mortal life in peace among the Elves and the Powers in the West.

• Some later notes and commentary explain that he does not become immortal; he simply has a gentler ending than he would have had in Middle‑earth.

A small extra detail fans love

• Years later, Sam Gamgee himself is said to sail West after Rosie’s death, so many readers like to imagine Sam and Frodo reunited in the Undying Lands before both of them at last pass beyond the world.

TL;DR: Frodo doesn’t die on the boat. He sails to the Undying Lands in the West, where he can finally find healing and peace from the wounds and burdens of carrying the One Ring.

Information gathered from public forums or data available on the internet and portrayed here.