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Family name Karadeniz (Karadeniz
, Карадениз
) , around the globe, is quite a common cognomen. The cognomen Karadeniz is characteristic of Turkey, where it is quite a rare surname, Cyprus, and Austria. Measured by absolute frequency, it is the most numerous in Turkey, Germany, and Romania. Very seldom, Karadeniz is the forename as well as the last name.