ancient country in SW Asia, southeast of the Caspian Sea
An ancient country of southwest Asia corresponding to modern northeast Iran. It was included in the Assyrian and Persian empires and the Macedonian empire of Alexander the Great. A Parthian kingdom lasted from c. 250 BC to AD 226, reaching the height of its influence and landholdings at the beginning of the first century BC. Parthian soldiers were renowned as horsemen and archers.