North Khorasan Province is one of the 31 provinces of Iran, located in the northeast of the country. The capital of the province is the city of Bojnord. North Khorasan is one of the three provinces that were created after the division of Khorasan in 2004. Khorasan was the largest province of Iran until it was divided into three provinces on September 29, 2004. The provinces approved by the parliament of Iran and the Council of Guardians were Razavi Khorasan, North Khorasan, and South Khorasan.

Razavi Khorasan or Central Khorasan Province is one of the 31 provinces of Iran, located in northeastern Iran. The city of Mashhad is the center and capital of the province. Central Khorasan is one of the three provinces that were created after the division of Khorasan province in 2004. In 2014, it was placed in Region 5 with Mashhad as the location of the region's secretariat.