What is the setting of the cask of amontillado?

The setting of "The Cask of Amontillado" is an Italian city during carnival season in the late 18th century. It takes place in the catacombs beneath the city where Montresor takes Fortunato to taste a rare wine. The atmosphere is dark and eerie, with the dimly-lit, damp catacombs providing the perfect backdrop for the twisted revenge plot. The setting contributes to the ominous and suspenseful mood of the story, as the reader anticipates Fortunato's inevitable demise.