Khorasan province

Khorasan, also called Traxiane during Hellenistic and Parthian times, was a province in northeastern Iran until September 2004, when it was divided into three new provinces: North Khorasan, South Khorasan, and Razavi Khorasan.
Khorasan historically referred to a much larger area, comprising the east and the northeast of the Persian Empire. The name Khorāsān is Persian and means "where the sun arrives from". The name was first given to the eastern province of Persia during the Sasanian Empire and was used from the Late Middle Ages in distinction to neighbouring Transoxiana.
This province, whose people are mainly Shia Muslims, roughly encompassed the western portion of the historical Greater Khorasan. The modern boundaries of the Iranian province of Khorasan were formally defined in the late nineteenth century and the province was divided into three separate administrative divisions in 2004.

History

The name Khorāsān was originally given to the eastern province of Persia during the Sassanian period. The old Iranian province of Khorasan roughly formed the western half of the historical Greater Khorasan, a region which included parts that are today in Iran, Afghanistan, Tajikistan, Turkmenistan and Uzbekistan. Some of the main historical cities of Persia are located in the older Khorasan: Nishapur and Tus ; Merv and Sanjan ; Samarkand and Bukhara ; Herat and Balkh ; and Khujand and Panjakent. The term was also used from the Late Middle Ages—especially in post-Mongol times—to distinguish the region from neighbouring Transoxiana. The modern Iranian boundaries of the province of Khorasan were defined and formalised in the late nineteenth century.
In August 1968 and September 1978, the region was the scene of two major earthquakes that left 12,000 and 25,000 people dead, respectively. A third major earthquake, the 1997 Qayen earthquake, took place on 10 May 1997 and left 1,567 dead, 2,300 injured, and 50,000 homeless.

Khorasan was the largest province of Iran until it was divided into three separate provinces in September 2004:

Some parts of the province were added to

The major ethnic groups in the region are Persians with Khorasani Kurds, Khorasani Turkic people and Turkmens as the minorities. Smaller minorities are Baloch, Jews, Timuri Aimaqs, Hazaras, and Roma. Most of the people in the region natively speak closely related modern day dialects of Persian. The region is home to a significant Sunni Muslim minority. The largest cluster of settlements and cultivation stretches around the city of Mashhad northwestward, containing the important towns of Quchan, Shirvan, and Bojnurd.