DiékéDiéké, Djécké or Diecke is a town and sub-prefecture in the Yomou Prefecture in the Nzérékoré Region of south-eastern Guinea.MiningIt is near the very large Simandou iron ore mines.Schools École de Santé de Diéké Lycée Méthodiste Unie de DiékéHospitals Centre Médical Soguipa Clinique Saint Michel Centre de Santé de Diéké