Peace of Acilisene

[2] The Sassanids received the larger share called Persarmenia, while the Romans retained Sophene and a smaller portion of Armenia (called Lesser Armenia).

[1][2][3] This also created a new boundary line between the two empires, running from Erzurum to Mush.

[2] Through this treaty, the Eastern Roman Empire admitted the loss of the Kingdom of Iberia to the Sasanians.

[1] During this period, Sassanian influence grew once again in eastern Georgia, and Zoroastrianism spread as far as Tbilisi, [2] becoming "something like a second established religion of Iberia" until around mid-fifth century.

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