Adiaké Department upon its creation in 1998. It kept these boundaries until 2008, but other subdivision boundary changes began to be made in 2000.
Adiaké Department was created in 1998 as a second-level subdivision via a split-off from Aboisso Department.[4] At its creation, it was part of Sud-Comoé Region.
Adiaké Department was divided in 2008 with the split-off creation of Tiapoum Department.[5]
In 2011, districts were introduced as new first-level subdivisions of Ivory Coast. At the same time, regions were reorganised and became second-level subdivisions and all departments were converted into third-level subdivisions. At this time, Adiaké Department remained part of the retained Sud-Comoé Region in the new Comoé District.
In 2014, the population of the sub-prefecture of Adiaké was 44,257.[6]
Villages
The villages of the sub-prefecture of Adiaké and their population in 2014 are:[6]
^Décret n° 2008-96 du 5 mars 2008 portant création des départements de Bettié, Botro, Guéyo, Koro, Kouto, Ouangolodougou, Sinématiali, Tiapoum, Yakassé-Attobrou et Zoukougbeu.