In Arthurian legend, Excalibur is said to have been forged on the mystical Isle of Avalon.

Quick Scoop

  • Most medieval sources that mention the forging of Excalibur place it in Avalon , a magical island outside the ordinary world.
  • Geoffrey of Monmouth, one of the key writers who popularized King Arthur in the 12th century, explicitly says Arthur’s sword (then called Caliburn) was forged in Avalon.
  • Modern references, including puzzles and popular-history sites, still treat “Avalon” as the standard answer to “where was Excalibur forged.”

A tiny bit of story

In many retellings, Avalon is a kind of enchanted smithy-island, where otherworldly craftsmen or fae beings forge weapons for chosen heroes. Excalibur emerging from Avalon helps underline that Arthur’s kingship is not just political but also blessed by powers beyond the human realm.

So if you see the question “where was Excalibur forged?”—the legendary, lore-accurate answer is: Avalon.

TL;DR: Excalibur was forged in Avalon, the magical island of Arthurian legend.

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