Nassian Department is a department of Bounkani Region in Zanzan District, Ivory Coast. In 2021, its population was 71,724 and its seat is the settlement of Nassian. The sub-prefectures of the department are Bogofa, Kakpin, Koutouba, Nassian, and Sominassé.

History

Nassian Department was created in 2005 as a second-level subdivision via a split-off from Bouna Department. At its creation, it was part of Zanzan 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, Nassian Department became part of Bounkani Region in Zanzan District. In 2014, the population of the sub-prefecture of Nassian was 19,971.

Villages

The seventeen villages of the sub-prefecture of Nassian and their population in 2014 are: • # Angobila (1 046) • # Anvéyo (314) • # Bondoyo (1 383) • # Kalabo (50) • # Landé (891) • # Longongara (2 118) • # Nassian (4 785) • # Parhadi (2 823) • # Poum (635) • # Sindé (364) • # Toungbo (264) • # Yaga (259) • # Bougoulaye (732) • # Dédi (554) • # Dépingo (808) • # Talahini (2 609) • # Tienguélé (336)