"Edessa." YourDictionary, n.d. Web. 05 December 2018. <https://www.yourdictionary.com/edessa>.
Edessa. (n.d.). Retrieved December 05th, 2018, from https://www.yourdictionary.com/edessa
An ancient city of Mesopotamia on the site of present-day Urfa in southeast Turkey. A major Christian center after the third century AD, it was ruled at various times by the Romans, Byzantines, Arabs, and Crusaders before falling to the Seljuk Turks in the 12th century.