After the battles for Tbilisi concluded with David's victory, he moved his residence from Kutaisi (Western Georgia) to Tbilisi, making it the capital of a unified Georgian State and thus inaugurating the Georgian Golden Age. From 12–13th centuries, Tbilisi became a dominant regional power with a thriving economy (with well-developed trade and skilled labour) and a well-established social system/structure. By the end of the 12th century, the population of Tbilisi had reached 100,000.
After David's triumph in the battles for Tbilisi, he shifted his residence from Kutaisi to Tbilisi, making it the capital of a unified Georgian nation and kickstarting the Georgian Golden Age. During the 12th to 13th centuries, Tbilisi became a leading regional force with a thriving economy (featuring extensive trade networks and a skilled labor force) and a well-defined social structure.