Ancient Greek colonies and their dialect groupings in Southern Italy (Magna Graecia).
Dialect areas according to: Roger D. Woodard (2008), "Greek dialects", in: The Ancient Languages of Europe, ed. Roger D. Woodard, Cambridge: Cambridge University Press, p.51. (= partial re-published version of The Cambridge Encyclopedia of Ancient Languages, 2004). Positions of cities after various on-wiki sources.
Map created by Wikipedia user Future Perfect at Sunrise