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Cognomen Sobczak (Sobczak
, Собчак
, סובצ'ק
) , in all the world, is a common last name. The surname Sobczak is characteristic of Poland, where it is quite a common surname, Luxembourg, where it is quite a rare surname, and Ireland. Not in comparison with a country's population, it most frequently occurs in Poland, the United States, and Germany. Likewise, Sobczak is the forename as well as the last name.