Sicilian is a single language that extends even in some part of near regions like Calabria and Puglia (the south parts), it predates Italian a lot, and was one

Sicilian is a single language that extends even in some part of near regions like Calabria and Puglia (the south parts), it predates Italian a lot, and was one of the main literature schools in ancient times: https://en.wikipedia.org/wiki/Sicilian_School https://en.wikipedia.org/wiki/Sicilian_School. So from one part to the other of Sicily there are a few different words and accents and there is a division by "groups", but it's pretty much the same thing.