Parthian Empire 250 BC - AD 226
The founder of the Parthian Empire was Arsaces I, who was
king of Parthia around 250-211 BC.
The years AD 60 - 68 saw successful campaigns of the Roman general
Gnaeus Domitius Corbulo against the Parthians.
In AD 224, the last Parthian king
Artabanus V was killed in battle by Ardashir I, who thus
ended the Parthian Empire and established the Sasanid Empire.
And here is the map
Map location of Parthia: Look south-east of
the Caspian Sea.
Click to enlarge
Governments of Parthia.