Aboisso Department is a department of Sud-Comoé Region in Comoé District, Ivory Coast. In 2021, its population was 361,842 and its seat is the settlement of Aboisso. The sub-prefectures of the department are Aboisso, Adaou, Adjouan, Ayamé, Bianouan, Kouakro, Maféré, and Yaou.

Quick Facts Département d'Aboisso, Country ...

Aboisso Department Département d'Aboisso
Department
Location in Ivory Coast. Aboisso Department has had these boundaries since 1998.
Country	Ivory Coast
District	Comoé
Region	Sud-Comoé
1969	Established as a first-level subdivision
1997	Converted to a second-level subdivision
1998	Divided to create Adiaké and Grand-Bassam Depts
2011	Converted to a third-level subdivision
Departmental seat	Aboisso
Government [1]
• Prefect	Albert Boni Kouassi
Area [2]
• Total	4,570 km2 (1,760 sq mi)
Population  (2021 census)[3]
• Total	361,842
• Density	79/km2 (210/sq mi)
Time zone	UTC+0 (GMT)

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Aboisso Department was created in 1969, as one of the 24 new departments that were created to take the place of the six departments that were being abolished. It was created from territory that was formerly part of Sud Department. Using current boundaries as a reference, the new department occupied all of what today is Sud-Comoé Region.

In 1997, regions were introduced as new first-level subdivisions of Ivory Coast; as a result, all departments were converted into second-level subdivisions. The territory of Aboisso Department was co-extensive with that of the new Sud-Comoé Region, which created a need to divide the department to avoid having completely overlapping first- and second-level subdivision. In 1998, Aboisso Department was split into three parts in order to create Adiaké Department and Grand-Bassam Department.^[4]

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, Aboisso Department remained part of the retained Sud-Comoé Region in the new Comoé District.