The Parthians were an ancient Iranian people who established the Parthian Empire around the 3rd century BCE. They originated from the region of Parthia, located in northeastern Iran. The Parthian Empire became a significant power in the ancient world, known for its skilled cavalry and effective military tactics, which allowed them to resist invasions and expand their territory. At its height, the Parthian Empire stretched from the eastern Mediterranean to the borders of India and China. The Parthians played a crucial role in the trade along the Silk Road, facilitating cultural and economic exchanges between the East and West. Their interactions with the Roman Empire were particularly notable, leading to both conflict and diplomacy.