Saudi Arabia - Wikipedia Saudi Arabia, [d] officially the Kingdom of Saudi Arabia (KSA), [e] is a country in West Asia that occupies the bulk of the Arabian Peninsula Covering a land area of approximately 2,149,690 km2 (830,000 sq mi), it is the fifth-largest country in Asia and the twelfth-largest in the world It is bordered by the Red Sea to the west, Jordan, Iraq, and Kuwait to the north, the Persian Gulf