In the history of Iran, Georgia and its center, Tbilisi, have always played an important role in the interaction and communication of the kings of Iran with the Caucasus region and their confrontation and conflict with the developing countries neighboring this land.A land that refused to pay the prescribed tribute to the government of Iran and became a protectorate of Russia during the period of weak rule and influence of Karim Khan's successors, with the conclusion of the Treaty of Giorgiusk in 1197 AH/1783 between Heraclius II and Catherine the Great.This research, with a descriptive-analytical approach and based on a library study, aims to investigate the causes of Agha Mohammad Khan Qajar's attention to Georgia and the extent of her role in the Tbilisi tragedy.The findings of the research show that although the lack of a powerful central government did not pay attention to the possible consequences of the Treaty of Giorgiusk until the establishment of the Qajar dynasty; But the extravagances and arbitrary actions of Heraclius forced Agha Mohammad Khan, who was aware of the historical and cultural geography of Iran, to follow the traditions of the Safavids in the campaign to the Caucasus, to restore Iran's sovereignty over Georgia, and to give more acceptance and legitimacy to the crown. to earn his share.The Tiflis massacre, which some have used as an excuse to discredit Agha Mohammad Khan, mostly took place at the gates where the Khamsa and Armenian kings of Karabagh and their allies entered, because compared to Heraclius and the Georgians had hatred in their hearts.