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Last name Dusia (Dusia , Дуся ) , throughout the world, is a rare surname. The family name Dusia is habitual in Western Asia, particularly Georgia, where it is quite a rare surname, Israel, where it is a rare surname, and Armenia. Not in comparison with a country's population, the name is most common in Georgia, Israel, and Poland. More frequently, Dusia is the forename as well as the last name.