Court of Qabus at Gurgan
· Gurgan (historical Jurjan), Golestan Province, Iran
Wikimedia Commons · Public domain; Creative Commons Public Domain Mark 1.0 · file While supported by Qabus, ruler of the Ziyarid state, al-Biruni remained in Gurgan and observed lunar eclipses there. This period included the composition and dedication of his Chronology. Coordinate is a representative point for historical Jurjan/Gurgan near modern Gonbad-e Kavus; the exact court site is not established.
