A treaty between Mursili and Kupanta-Kurunta of Mira later lists the Astarpa as the border of Kupanta-Kurunta's client region of Kuwaliya.
The king of Arzawa Uhha-Ziti named his son "Gift of the god Kurunta", after a god (or hero) whose name had featured in the names of previous Arzawan kings.
The annals of Mursili II record that in the 3rd year of his reign, which would be 7 years prior to Mursili's eclipse in 1312 BC, prince Piyama-Kurunta of Arzawa stood against his army at Walma by the river Astarpa.