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Surname Fialka (Fialka
, Фиалка
) , all around the world, is quite a rare last name. The cognomen Fialka is characteristic of Czechia, where it is quite a rare surname, Slovakia, and Austria. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Czechia, Slovakia, and Russia. Much less frequently, Fialka is the forename as well as the last name.