What is "hefaiston"

The Hefaiston is an annual gathering and international competition of blacksmiths that is held at the Helfštýn castle, Czech Republic. It is named after the Greek god Hephaestus. The event is organized by the Comenius Museum in Přerov in collaboration with the administration of the castle since 1982. The 29th gathering (held in 2010) was attended by more than four hundred blacksmiths. The Hefaiston is considered one of the most important annual meetings of artist blacksmiths in the world.