Surname Джеко (Dzeko 
, Джеко, Džeko ) , in the entire world, is quite a rare cognomen. The last name Джеко is characteristic of Bosnia and Herzegovina, where it is quite a common surname, Croatia, where it is quite a rare surname, and Algeria, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Indonesia, Bosnia and Herzegovina, and Algeria. Very seldom, Джеко is the forename as well as the last name.