Mandiana PrefectureMandiana is a prefecture located in the Kankan Region of Guinea. The capital is Mandiana. The prefecture covers an area of 12,825 km.² and has a population of 335,999.Sub-prefecturesThe prefecture is divided administratively into 12 sub-prefectures: Mandiana-Centre Balandougouba Dialakoro Faralako Kantoumania Kiniéran Koundian Koundianakoro Morodou Niantania Saladou Sansando