Family name Сладжана (Sladjana 
, Сладжана 
) , worldwide, is quite a rare cognomen. The surname Сладжана is characteristic of Southern Europe, particularly Serbia, where it is quite a rare surname, Montenegro, and North Macedonia. Measured by absolute frequency, it is the most numerous in Southern Europe, particularly Serbia, North Macedonia, and Bosnia and Herzegovina. Much more frequently, Сладжана is the forename as well as the last name.