Analysis of information sources in references of the Wikipedia article "파르티아 제국" in Korean language version.
One characteristic of the Parthians that the kings themselves maintained was their nomadic urge. The kings built or occupied numerous cities as their capitals, the most important being Ctesiphon on the Tigris River, which they built from the ancient town of Opis.
In the Middle Persian period (Parthian and Sasanian Empires), Aramaic was the medium of everyday writing, and it provided scripts for writing Middle Persian, Parthian, Sogdian, and Khwarezmian.