Western Sahara

Western Sahara is a non-self-governing territory in North-western Africa undergoing decolonization. It has a surface area of 272,000 square kilometres (105,000 sq mi). Western Sahara is the last African colonial state yet to achieve independence and has been dubbed "Africa's last colony". With an estimated population of around 600,000 inhabitants, it is the most sparsely populated territory in Africa and the second most sparsely populated territory in the world, consisting mainly of desert flatlands.

Spain previously colonized the territory as the Spanish Sahara until 1976, when it attempted to transfer its administration to Morocco and Mauritania while ignoring an International Court of Justice's verdict that those countries had no sovereignty over Western Sahara. A war erupted and the Polisario Front—a national liberation movement recognized by the United Nations as the legitimate representative of the people of Western Sahara—proclaimed the Sahrawi Arab Democratic Republic (SADR) with a government-in-exile in Tindouf, Algeria. Mauritania withdrew its claims in 1979, and Morocco secured de facto control of most of the territory, including all major cities and most natural resources. A UN-sponsored ceasefire agreement was reached in 1991, though a planned referendum monitored by the UN's MINURSO mission has since stalled.

Approximately 30% of the Western Sahara is controlled by the Polisario Front; the remaining 70% is occupied by Morocco. Morocco maintains the Berm, a 2,700 km-long (1,700 mi) wall lined with land mines that splits the territory. The Polisario Front is primarily supported by Algeria and has received partial international recognition for the SADR and membership in the African Union. Morocco is supported by France and the United States, and several states began expressing support for its autonomy proposal in the 2020s.

Western Sahara is located on the north-west coast in West Africa and on the cusp of North Africa, bordering the North Atlantic Ocean to the northwest, Morocco to the north-northeast, Algeria to the east-northeast, and Mauritania to the east and south.

Among the most arid and inhospitable on the planet, the land along the coast is low flat desert and rises, especially in the north, to small mountains reaching up to 600 metres (2,000 ft) on the eastern side.

While the area can experience flash flooding in the spring, there are no permanent streams. At times, a cool off-shore current can produce fog and heavy dew.

The interior experiences extreme summer heat, with average highs reaching 43–45 °C (109–113 °F) in July and in August; during winter, days are still hot to very hot, with average highs from 25 to 30 °C (77 to 86 °F); however, in the northern part of the territory, the thermometer may drop below 0 °C (32 °F) at night and it can be freezing in December and in January, although this is rare.

Western Sahara contains four terrestrial ecoregions: Saharan halophytics, Mediterranean acacia-argania dry woodlands and succulent thickets, Atlantic coastal desert, and North Saharan steppe and woodlands.