What two civilizations controlled the greatest amount of land in 200 CE?

By 200 CE, the two civilizations that controlled the greatest amount of land were the Roman Empire and the Parthian Empire. The Roman Empire extended across much of Europe, North Africa, and parts of the Middle East, while the Parthian Empire dominated the region of Persia and parts of Central Asia. Together, these empires represented significant political and cultural influence in the ancient world during that period.