Surname Decko (ديكو 
, Decko 
, Децко 
) , all around the world, is quite a rare last name. The family name Decko is habitual in Slovenia, where it is quite a rare surname, Sudan, and Serbia. Measured by absolute frequency, it most frequently occurs in the Democratic Republic of the Congo, Sudan, and Egypt. Very seldom, Decko is the forename as well as the last name.