Location: Northern Africa, bordering the Mediterranean Sea, between Morocco and Tunisia
Geographic coordinates: 28 00 N, 3 00 E
Map references: Africa
Area: total: 2,381,740 sq km land: 2,381,740 sq km water: 0 sq km
Area - comparative: slightly less than 3.5 times the size of Texas
Land boundaries: total: 6,343 km border countries: Libya 982 km, Mali 1,376 km, Mauritania 463 km, Morocco 1,559 km, Niger 956 km, Tunisia 965 km, Western Sahara 42 km
Coastline: 998 km
Maritime claims: territorial sea: 12 nm exclusive fishing zone: 32-52 nm
Climate: arid to semiarid; mild, wet winters with hot, dry summers along coast; drier with cold winters and hot summers on high plateau; sirocco is a hot, dust/sand-laden wind especially common in summer
Terrain: mostly high plateau and desert; some mountains; narrow, discontinuous coastal plain
Elevation extremes: lowest point: Chott Melrhir -40 m highest point: Tahat 3,003 m
Natural resources: petroleum, natural gas, iron ore, phosphates, uranium, lead, zinc
Land use: arable land: 3.17% permanent crops: 0.28% other: 96.55% (2005)
Irrigated land: 5,690 sq km (2003)
Natural hazards: mountainous areas subject to severe earthquakes; mudslides and floods in rainy season
Environment - current issues: soil erosion from overgrazing and other poor farming practices; desertification; dumping of raw sewage, petroleum refining wastes, and other industrial effluents is leading to the pollution of rivers and coastal waters; Mediterranean Sea, in particular, becoming polluted from oil wastes, soil erosion, and fertilizer runoff; inadequate supplies of potable water
Environment - international agreements: party to: Biodiversity, Climate Change, Climate Change-Kyoto Protocol, Desertification, Endangered Species, Environmental Modification, Hazardous Wastes, Law of the Sea, Ozone Layer Protection, Ship Pollution, Wetlands signed, but not ratified: none of the selected agreements
Geography - note: second-largest country in Africa (after Sudan)