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Surname Boniecki (Boniecki
, Бонецький
, Бонецкий
) , across the world, is quite a rare last name. The last name Boniecki is habitual in Eastern Europe, particularly Poland, where it is quite a rare surname, Belarus, where it is a rare surname, and Ukraine. In absolute terms, it most frequently occurs in Poland, the United States, and Ukraine. Also, Boniecki is the forename as well as the last name.