Avali is almost unique, Avalli is specific to Milan, Milan and Brescia, Avalis, very rare, is typical of Pinerolo and Cavour in Turin, Avallis, now almost disappeared in Italy, is also Piedmontese, these surnames should have the meaning of valligiani and derive from an indicator of provenance composed by the Latin preposition a (ab) with the meaning of coming from and from the term valli, vallis (valley, valley).
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