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Cognomen تاجک (Tajuk , تاجک ) , around the world, is quite a rare surname. The cognomen تاجک is habitual in Afghanistan, where it is quite a rare surname, Iran, where it is a rare surname, and Saudi Arabia, where it is a very rare surname. In absolute terms, it is commonest in Afghanistan, Iran, and Indonesia. Very seldom, تاجک is the forename as well as the last name.