Danzauker said:Well, because that's the correct name of the hell region in Dante's Inferno that the layer is modeled on.
It's one of the four zones the ninth and last circle of hell in Dante's work. So named because Cain was punished there, so Cania is just a mispelling.
Okay, so which is correct, Caina, or Cania, and which do you prefer?