], peninsula (1991 est. pop. 35,000,000), c.1,000,000 sq mi (2,590,000 sq km), SW Asia. It is bordered on the W by the Gulf of Aqaba and the Red Sea, on the S by the Gulf of Aden and the Arabian Sea, on the E by the Gulf of Oman and the Persian Gulf, and on the N by Iraq and Jordan. Politically, Arabia consists of Saudi Arabia (the largest and most populous state), Yemen, Oman, the United Arab Emirates, Qatar, Bahrain, and Kuwait. Except for the inland cities of Riyadh and Hail, in Saudi Arabia, most of Arabia's large urban centers are on or near the coast. Principal cities include Jidda, Mecca, and Medina (Saudi Arabia); Sana, Aden, and Mukalla (Yemen); Abu Dhabi (United Arab Emirates); Muscat (Oman); Al Manamah (Bahrain); and Kuwait City (Kuwait).
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