It lasted from 618 to 628, until the Sasanian general Shahrbaraz made an alliance with the Byzantine emperor Heraclius to have control over Egypt returned to him.

Egypt was conquered in 618 by the prominent Sasanian military leader Shahrbaraz, who governed the province briefly until he appointed Shahralanyozan as the new governor.

Several cities of the country are mentioned, such as Touphis, Kynon, Babylon, including some others, which displays the subjugation of the Sasanians in the area.

[2] Although Egypt suffered much damage during its invasion by the Sasanians, after the conquest was complete, peace, toleration and rehabilitation followed.

[4] There were numerous Sasanian stations in the country, which included Elephantine, Herakleia, Oxyrhynchus, Kynon, Theodosiopolis, Hermopolis, Antinopolis, Kosson, Lykos, Diospolis, and Maximianopolis.