It is mentioned as "Beth Qardu" in Syriac sources and is described as a small vassal state between Armenia and Persia in the mountainous area south of Lake Van in modern Turkey Corduene must also be sought on the left bank of the Tigris.
Po podatkih iz Britanske enciklopedije je Korduena (Gordjena) antično ime pokrajine Bohtan, sedanje turške province Şırnak.