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Family name Boun (Boun
, ブン
, Бун
) , all over the world, is quite a rare surname. The surname Boun is habitual in Laos, where it is quite a rare surname, Belarus, and Algeria. Not in comparison with a country's population, the name is most common in Algeria, Ukraine, and Japan. Likewise, Boun is the forename as well as the last name.