Linked from
The 10 pages that link to Ctesiphon, each with the reason it gives.
BaghdadRelated: Its nearby ruins connected Baghdad’s setting to older Mesopotamian imperial centers.
Yazdegerd IIIRelated: Arab forces captured the capital in 637, forcing Yazdegerd to flee east.
Al-BuhturiRelated: The ruins there inspired one of Al-Buhturi’s best-known descriptive poems.
Shapur IIRelated: It was a central seat of the court and administration Shapur inherited.