02-17-2023-1232 - Greater Khorāsān, [2] or Khorāsān (Middle Persian: Xwarāsān; Persian: خراسان [xoɾɒːˈsɒːn] (listen))

Greater Khorāsān,^[2] or Khorāsān (Middle Persian: Xwarāsān; Persian: خراسان [xoɾɒːˈsɒːn] (listen)), is a historical eastern region in the Iranian Plateau between Western and Central Asia. The name Khorāsān is Persian (from Bactrian Miirosan)^[3] meaning "where the sun arrives from" or "the Eastern Province".^[4][5] The name was first given to the eastern province of Persia during the Sasanian Empire^[6] and was used from the late Middle Ages in distinction to neighbouring Transoxiana.^[7][8][9] Greater Khorasan is today sometimes used to distinguish the larger historical region from the former Khorasan Province of Iran (1906–2004), which roughly encompassed the western half of the historical Greater Khorasan.^[2]

 

(Greater) Khorasan خراسان (بزرگ) Historical Khorasan or Ancient Khorasan
Region
Approximate map of Khorasan and its four main and historical quarters, which are: Nishapur, Merv, Herat, and Balkh (in Persian)

https://en.wikipedia.org/wiki/Greater_Khorasan