This substantial contribution form Marek Olbrycht gives a panoramic overview of the links between the Parthians and the nomads of Central Asia, in the early Arsacid period, a crucial phase in the formation of the Arsacid state. The Parthian dynasty was created after the takeover of the Parni/Aparni in the satrapy of Parthia. The Parni were in fact a tribe of the Dahae confederation, which had strong connection with the sedentary societies since long time. The Arsacid dynasty adopted immediate..