Vocca is a comune in the Province of Vercelli in the Italian region Piedmont, located about 90 kilometres northeast of Turin and about 6…Vocca is a comune in the Province of Vercelli in the Italian region Piedmont, located about 90 kilometres northeast of Turin and about 60 kilometres northwest of Vercelli. Vocca borders the following municipalities: Balmuccia, Borgosesia, Cravagliana, Postua, Scopa, and Varallo Sesia.