The Northern Borders Province is the least populated province of Saudi Arabia. It is located in the north of the country, bordering Iraq and Jordan. It has an area of 111,797 km² and a population of 373,577 at the 2022 census. The region is sub-divided into four governorates: Arar, Al Uwayqilah, Rafha and Turayf. Its capital is Arar.