marzban

Marzbān, or Marzpān (Middle Persian: 𐭬𐭫𐭱𐭰𐭠𐭭𐭯 transliteration: mrzwpn, derived from Middle Persian: 𐭬𐭫𐭱 marz "border, boundary" and the Middle Persian suffix: 𐭡𐭭𐭯 -pān "guardian"; Modern Persian: مرزبان Marzbān) were a class of margraves, warden of the marches, and by extension military commanders, in charge of border provinces of the Parthian Empire (247 BC–224 AD) and mostly Sasanian Empire (224–651 AD) of Iran.