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Cognomen Čelik (Челик , Čelik ) , throughout the world, is quite a rare last name. The cognomen Čelik is habitual in Southern Europe, particularly Bosnia and Herzegovina, where it is quite a rare surname, Slovenia, and Croatia. In absolute terms, it is commonest in Russia, Bosnia and Herzegovina, and Ukraine. Very seldom, Čelik is the forename as well as the last name.