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Last name Zadel (Sadel
, Zadel
, Зейдел
) , in the world, is quite a rare surname. The surname Zadel is characteristic of Slovenia, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Bosnia and Herzegovina. In absolute terms, it most frequently occurs in Slovenia, the United States, and Poland. Also, Zadel is the forename as well as the last name.