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Ancient meds and modern Italians are almost indistinguishable genetically regardless of what the seething nordcucks on /pol/ will tell you. Mass immigration to the italian peninsula wasn't a thing until very recently because it was pretty much inaccessible because of the Alps and of the Mediterranean sea.
Spaniards should come pretty close too, "muh Moors" is a meme, the Moors left almost no genetic trace in the Iberian peninsula and most of them were berbers anyways.