Laghouat (; ) is the capital of the Laghouat Province, Algeria, south of the Algerian capital Algiers. Located in the Amour Range of the Saharan Atlas, the town is an oasis on the north edge of the Sahara Desert. It is an important administrative and military center and marketplace, and is known for rug and tapestry weaving. Laghouat traces its history to at least the 11th century. It was ruled by the Ottoman Turks in 1786 and annexed to Beylik of Titteri (Médéa). The town experienced the brutal Siege of Laghouat in 1852, and came under French colonial rule until 1962. It was formerly the administrative center of one of the four "Territories of the South" forming the region of Algeria administered under Martial Law until the reform instituted by the Statue of Algiers law of 20 September 1947. Since 1974, it has been the seat of a province of the same name. The population of the town was 126,291 inhabitants in 2005. There are natural gas deposits in the region, and nearby Hassi R'Mel has the largest natural gas reserve in Africa. The city is served by Laghouat Airport. Etymology Laghouat literally means "houses surrounding gardens." The city and the region as a whole were named by several titles, including 'the capital of the steppe', 'the gateway to the Sahara', 'bride of the Saharan Atlas', and 'the city of the four seasons'. Geography The town of Laghouat is a regional center in the Algerian depression, an oasis south of Algiers. It is built on the banks of the Wadi Mzee, which flows eastwards from the Amour Range and is one of a large number of seasonal streams that empty into Chott Melrhir. It is bordered to the north by the municipality of Sidi Makhlouf, to the west by Tadjemout and Kheneg, to the east the municipality of El Assafia, and to the south the municipality of Mekhareg. Climate Laghouat has a cold desert climate (Köppen climate classification BWk). Rainfall is higher in winter than in summer. The average annual temperature in Laghouat is . About of precipitation falls annually. Rain falls irregularly, with severe droughts in some years. Sand dunes may encroach upon the town from the north in drought years, and have been countered with administrative buildings and a green belt of gardens around the city. The town relies on groundwater, which is abundant due to a large