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In the world, Đức (Duc , Đức , Дык ) is a common male first name. The forename Đức is characteristic of Vietnam, where it is quite a common male name, the Democratic Republic of the Congo, where it is quite a rare masculine name, and Macao. Measured by absolute frequency, it most frequently occurs in Vietnam, the Democratic Republic of the Congo, and the United States. Also, Đức is the last name as well as the forename.
Đức is also a name for the fictitious and mythical characters: Duc de Bligny , the theatrical character in the play "The Ironmaster" and Duc de Fritelli , the operatic character in the opera Le roi malgré lui by Emmanuel Chabrier; an Italian noble, husband of Alexina, chamberlain to the King.