Philip V of Macedon was the king of Macedon from 221 to 179 BC. He was a member of the Antigonid dynasty and is known for his efforts to expand his kingdom and strengthen its military power. Philip V played a significant role in the Macedonian Wars against the Roman Republic, seeking to assert Macedonian influence in Greece and the surrounding regions. During his reign, Philip V formed alliances with various Greek city-states and engaged in conflicts with rival powers. His reign marked a period of both military ambition and political maneuvering, ultimately leading to challenges against the growing power of Rome.