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Surname Vallia (Валия
, Vallia
, Валія
) , in the world, is a very rare cognomen. The last name Vallia is characteristic of Kyrgyzstan, where it is a rare surname, Greece, where it is a very rare surname, and the United States. Measured by absolute frequency, it is commonest in the United States, Russia, and Kyrgyzstan. Much more frequently, Vallia is the forename as well as the last name.