The Nuttall Encyclopedia
The ancient capital of Media, situated near Mount Orontes (now Elvend); was surrounded by seven walls of different colours that increased in elevation towards the central citadel; was a summer residence of the Persian and Parthian kings. The modern town of Hamadan now occupies the site of it.
Wood, James, ed. Entry for 'Ecbatana'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/e/ecbatana.html. Frederick Warne & Co Ltd. London. 1900.