Montsalvat is mountain on top of which Percival Schuttenbach found a wonderful Grail made of milky opal. He exchanged it later for a mule. Galahad mistakes the ruins of Rozrog for Monsalvat in the short story Coś się kończy, coś się zaczyna. Geralt and Yennefer's wedding takes place at the ruined castle of Rozrog.