Gagnoa Department is a department of Gôh Region in Gôh-Djiboua District, Ivory Coast. In 2021, its population was 724,496 and its seat is the settlement of Gagnoa. The sub-prefectures of the department are Bayota, Dahiépa-Kéhi, Dignago, Dougroupalégnaoa, Doukouyo, Gagnoa, Galebre-Galébouo, Gnagbodougnoa, Guibéroua, Ouragahio, Sérihio, and Yo…Gagnoa Department is a department of Gôh Region in Gôh-Djiboua District, Ivory Coast. In 2021, its population was 724,496 and its seat is the settlement of Gagnoa. The sub-prefectures of the department are Bayota, Dahiépa-Kéhi, Dignago, Dougroupalégnaoa, Doukouyo, Gagnoa, Galebre-Galébouo, Gnagbodougnoa, Guibéroua, Ouragahio, Sérihio, and Yopohué.