after alexander's death in 323 bc, the area came under control of the seleucid empire, which gave the region to the mauryan dynasty of india in 305 bc. after the fall of the mauryans in 185 bc, the greco-bactrians under king demetrius i annexed the northwestern regions of the former mauryan empire, including paropamisus, and it became part of his euthydemid indo-greek kingdom. the eucratidians seized the area soon after the death of menander i, but lost it to the yuezhi around 125 bc.