[[Sasani İmparatorluğu|Sasanilar]] Lazika'yı (Egrisi) 532 tarihli "[[Sürekli Barış (532)|Sürekli Barış]]" Antlaşması ile Roma/Bizans etki alanının bir parçası olarak tanıdılar.
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The Persian [[Sasanian Empire|Sasanians]] recognized Lazica (Egrisi) as part of the Roman/Byzantine sphere of influence by the "[[Eternal Peace (532)|Eternal Peace]]" Treaty of 532. By that time, in order to foster their influence over the local monarchy, the Byzantines had insisted on the conversion of the King, [[Tzath I of Lazica|Tzath I]]: he received both baptism and royal attributes in [[Constantinople]], from Emperor [[Justin I]] ([[Justinian I|Justinian's]] predecessor), in 522/3.<ref>{{harvnb|Salia|1980|p=114}}</ref> Byzantine garrisons were stationed in Lazica and in neighboring [[Abkhazia|Abasgia]], mostly in the coastal cities of [[Poti]], [[Sukhum|Sebastopolis]] and [[Pitsunda|Pityus]]. The kingdom's capital, [[Archaeopolis]], was fortified, as well as the southern access to the kingdom on the coastal road at [[Petra, Lazica|Petra]] (present-day [[Tsikhisdziri]], north of [[Batumi]]). In 536, however, the Byzantine presence turned into a full protectorate, as the king lost many powers to the new ''[[magister militum]] per Armeniam'' [[John Tzibus]]. When Tzibus curtailed the freedom of trade of Lazic tradesmen to advance Byzantine interests, the popular dissatisfaction led to a full-scale uprising in 541, and the weakened king, [[Gubazes II of Lazica|Gubazes II]], secretly sought Persian assistance against the Byzantines.
