Surname Дженко (Genco 
, Дженко 
, Djenko ) , all around the world, is quite a common last name. The surname Дженко is habitual in Italy, where it is quite a rare surname, Luxembourg, and Denmark. Not in comparison with a country's population, it is the most numerous in Italy, the United States, and Turkey. Much less frequently, Дженко is the forename as well as the last name.