Greek historians wrote that Pellasgians were the people inhabiting the region of west Turkey, Greece, Albania, Southern Italy, before the rest came. Hellenic historians wrote about their presence. All remains today from Pellasgs are some toponims. Example: Larissa in Greece, Lissus in Albania and some others
no not southern Italy, but central North Italy,
Etruscans are connected with Pelasgians,
we possibly speak of Hattians (at least for me the only explanation)
and yes Pelasgians are connected with 2 possible theories of ancestral origin in linguistic terms,
1) is Akkadian + Summerian, (I have wrote about that influence in Balkans)
2) South Caucasian (Taranis defend that Idea in linguistic)
for example Summerian Kur Greek κορυφη(kur+ υβος) south Slavic Goran(jie)
is AkkadoSummerian
but Hath+ru (Αθ/Ατ + ρω) is showing south Caucas origin,
Attica = Hath+con
Hatria = hath + ρω
Etruscan = hatth + ρω+con
yet it is difficult to compare since the pelasgian language knowledge is limited
but we know for example La = stone (Lapis)