Crowned Bust in Rich Robes. According to the medieval chronicles, Pharnavaz I united the land as the first king of Kartli (Iberia) in the 3rd century BC. A crowned figure on one of the pillars, seen face to face from the height of the relief. For centuries the royal capital was Mtskheta, where the Aragvi meets the Mtkvari — today a UNESCO-listed town and the spiritual heart of the country.