North Italy/Veneziano: Feliciano Vargas (canon)
*South Italy/Romano: Vincenzo Vargas (canon)
Portugal: João Silva Moreira
Seborga: Alessandro Vargas
Spain: Antonio Fernandez Carriedo (canon)
Vatican City: Angelo Merga
*Lovino's technically not an Italian name, and after months and months, I came across the name "Vincenzo", which is Italian, used more in the south than the north, and has the "vin" in common with Lovino, so it's not completely out of left field.