The Parthians were a Persian dynasty and their name is probably drawn from the Persian dialect they spoke, historically known as Parthava.
They established an extensive empire which included Iran, Mesopotamia and other regions. They ruled Iraq for more than three centuries while their empire survived from 247 BC to 224 AD.
Talaqani said the grave occupies 306 sq. meters and consists of several floors connected by special staircases.
He said Iraqi excavators also came across “pottery pieces of glass all in good condition and that digging is continuing.