The sub-prefectures (known in French as sous-prefectures) are the third-level administrative divisions in Guinea.
As of 2009 there were 303 rural sub-prefectures of Guinea and 38 urban sub-prefectures, 5 of which compose the Conakry greater urban area; Kaloum, Dixinn, Matam, Ratoma and Matoto.
Dabola Prefecture Dinguiraye Prefecture Faranah Prefecture Kissidougou Prefecture Kankan Prefecture Kérouané Prefecture Kouroussa Prefecture Mandiana Prefecture Siguiri Prefecture Beyla Prefecture Guéckédou Prefecture Lola Prefecture Macenta Prefecture Nzérékoré Prefecture Yomou Prefecture
Boffa Prefecture Boké Prefecture Fria Prefecture Gaoual Prefecture Koundara Prefecture Coyah Prefecture Dubréka Prefecture Forécariah Prefecture Kindia Prefecture Télimélé Prefecture Koubia Prefecture Labé Prefecture Lélouma Prefecture Mali Prefecture Tougué Prefecture Dalaba Prefecture Mamou Prefecture Pita Prefecture Conakry