Gidaya (Harari: ጊዳየ Gidayä; Somali: Gidaaya), also known as Gedaya or Jidaya was a historical Muslim state located around present-day eastern Ethiopia.
[1][2][3][4] The state was positioned on the Harar plateau and a district of Adal region alongside Hargaya and Hubat polities.
[5][6][7] It neighbored other states in the medieval era including Ifat, Mora, Hadiya, Fatagar, Biqulzar, Fedis and Kwelgora.
[12] In the thirteenth century the Arab writer al-Mufaḍḍal mentions the king of Gidaya was named Yûsuf ibn Arsamâyah.
[15] According to sixteenth century Adal writer Arab Faqīh, the people of Gidaya were part of the army of Ahmad ibn Ibrahim al-Ghazi during the Ethiopian-Adal war.