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Surname Dujka (Dujka ) , all around the world, is a rare last name. The last name Dujka is characteristic of Eastern Europe, particularly Czechia, where it is quite a rare surname, Slovakia, where it is a rare surname, and Poland. Not in comparison with a country's population, it is the most numerous in Poland, Czechia, and the United States. Also, Dujka is the forename as well as the last name.