Archelaus of Cappadocia was a Roman client king who ruled from 36 BCE to 17 CE. He governed the region of Cappadocia, located in central Anatolia, which was strategically important due to its location along trade routes. Archelaus was appointed by Mark Antony and later recognized by Augustus, the first Roman emperor, as a loyal ally. During his reign, Archelaus promoted Hellenistic culture and established cities, enhancing the region's economy and infrastructure. He was known for his efforts to maintain peace and stability in Cappadocia, navigating the complex political landscape of the time, which included interactions with neighboring kingdoms and tribes.