Saudi Arabia,or Kingdom of Saudi Arabia, a country occupying most of the Arabian Peninsula in southwestern Asia. It lies between the Red Sea and the Persian Gulf and is bordered by Jordan, Iraq, Kuwait, Qatar, the United Arab Emirates, and Yemen. Saudi Arabia's borders with the United Arab Emirates and with part of Yemen are undefined.

Facts in brief about Saudi Arabia
Capital: Riyadh.
Official language: Arabic.
Official name: Al-Mamlaka Al-Arabiyya Al-Saudiyya (Kingdom of Saudi Arabia).
Area: 830,000 mi2 (2,149,690 km2). Greatest distances—north-south, 1,145 mi (1,843 km); east-west, 1,290 mi (2,076 km). Coastline—1,174 mi (1,889 km) on the Red Sea; 341 mi (549 km) on the Persian Gulf.
Elevation: Highest—10,279 ft (3,133 m) above sea level, in the Asir region near Abha. Lowest—sea level.
Population: Current estimate—26,362,000; density, 32 per mi2 (12 per km2); distribution, 86 percent urban, 14 percent rural. 2004 census—22,673,538.
Chief products: Agriculture—barley, dates, millet, sorghum, tomatoes, wheat. Manufacturing—cement, fertilizer, food products, petrochemicals, steel. Mining—petroleum.
Flag and coat of arms: Saudi Arabia's flag, adopted in 1973, has a Muslim religious inscription and horizontal white sword on a green background. The coat of arms features a palm tree and two crossed swords. The symbols appear in green, the traditional Muslim color.
Money: Basic unit—Saudi riyal. One hundred halalas equal one riyal.