This terrain is right at the edge of the ejecta blanket of an impact crater to the south of Louros Valles, which itself is on the southern edge of Ius Chasma and was named after a modern river in Greece.

ID: ESP_055230_1695
date: 9 May 2018
altitude: 256 km

https://uahirise.org/hipod/ESP_055230_1695
NASA/JPL-Caltech/University of Arizona
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