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Family name Koltas (Koltas
) , in the world, is a rare cognomen. The surname Koltas is habitual in Aland Islands, where it is quite a common surname, Estonia, where it is a rare surname, and Turkey. Not in comparison with a country's population, it is the most numerous in Turkey, the United States, and Poland. Much less frequently, Koltas is the forename as well as the last name.