Pera is widespread in Liguria, lower Piedmont, Lucca, Lazio, L'Aquila and Sicily, Peri is widespread throughout the north, in Tuscany, Lazio and Sicily, Pero is from Turin and Asti, Genoa and Perugia. of the Neapolitan and Caserta, of the Palermo and of the Salento, they should all derive from dialectal modifications of the name Piero or Piera, both derived from the Latin name Petrus.
Pero is present in Villacidro in the Middle Campidano, Peru is typically Sardinian in the northern part of the island, of Aggius and Trinità d'Agultu and Vignola nell'olbiese and of Sorso, Viddalba and Sassari in the Sassari, should derive from a contracted dialectal form of Petrus name. (see also PERA) additions provided by Giuseppe Concas PERU; HOWEVER:
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