In historical sources it is often referred to as "Agarata Fortress", which defended the main road to Tbilisi from the south, on the way of important caravan route.

During the "Great Turkish Invasion" (1080) the fortress was captured by the enemy, and that is when it received the name "Kor Ogli".

In July 1118, David the Builder besieged Agarani in one day, and in 1123 gave it to Ivane Orbeli.

According to the chronicles, Queen Tamar was brought ill to Agarani and here she died, but her burial place is unknown.

In February 1921, the Georgian cadets of Officer School died in a battle against the Red Army, which happened by the fortress.