Grand-Lahou Department Département de Grand-Lahou
Department
Location in Ivory Coast. Grand-Lahou Department has retained the same boundaries since its creation in 1988.
Country	Ivory Coast
District	Lagunes
Region	Grands-Ponts
1988	Established as a first-level subdivision via a division of Abidjan Dept
1997	Converted to a second-level subdivision
2011	Converted to a third-level subdivision
Departmental seat	Grand-Lahou
Government [1]
• Prefect	Kouamé Jean-Baptiste Zamélé
Area [2]
• Total	2,320 km2 (900 sq mi)
Population  (2021 census)[3]
• Total	155,832
• Density	67/km2 (170/sq mi)
Time zone	UTC+0 (GMT)

Grand-Lahou Department is a department of Grands-Ponts Region in Lagunes District, Ivory Coast. In 2021, its population was 155,832 and its seat is the settlement of Grand-Lahou. The sub-prefectures of the department are Ahouanou, Bacanda, Ebonou, Grand-Lahou, and Toukouzou.

Grand-Lahou Department was created in 1988 as a first-level subdivision via a split-off from Abidjan Department.^[4]

In 1997, regions were introduced as new first-level subdivisions of Ivory Coast; as a result, all departments were converted into second-level subdivisions. Grand-Lahou Department was included in Lagunes Region.

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, Grand-Lahou Department became part of Grands-Ponts Region in Lagunes District.

5°8′N 5°1′W / 5.133°N 5.017°W / 5.133; -5.017