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Cognomen Виллер (Viller
, Viler
, Виллер
) , globally, is quite a rare surname. The surname Виллер is characteristic of Slovenia, where it is quite a common surname, Estonia, where it is quite a rare surname, and Moldova. Not in comparison with a country's population, it is the most numerous in Slovenia, France, and Russia. Much less frequently, Виллер is the forename as well as the last name.