sentences:  Part of the Semien 
  Gondar Zone, Dembiya is bordered on the south by Lake Tana, on the southwest by Takusa, on the west by Chilga, on the north by Lay Armachiho, and on the east by Gondar Zuria.Towns in Dembiya include Aymiba, Chuahit, Gorgora and Koladiba.Rivers within this woreda include the Lesser Angereb and Derma, which flow south into Lake Tana, and the Atbarah.