Persian Gulf since it withdrew from East of Suez in 1971. The Persian Gulf is home to many islands such as Bahrain, an Arab state. Geographically the biggest island in the Persian Gulf is Qeshm island located in the Strait of Hormuz and belongs to Iran. Other significant islands in the Persian Gulf include Greater Tunb, Lesser Tunb and Kish administered by Iran, Bubiyan administered by Kuwait, Tarout administered by Saudi Arabia, and Dalma administered by UAE. In recent years, there has also been addition of artificial islands for tourist attractions, such as The World Islands in Dubai and The Pearl-Qatar in
Persian Gulf the second most common source of pollution. Along the mediterranean regions of the Arabian Sea, including the Persian Gulf, the Red Sea, the Gulf of Kutch, the Gulf of Suez, the Gulf of Aqaba, the Gulf of Aden, and the Gulf of Oman, dolphins and finless porpoises are the most common marine mammals in the waters, while larger whales and orcas are rarer today. Historically, whales had been abundant in the gulf before commercial hunts wiped them out. Whales were reduced even further by illegal mass hunts by the Soviet Union and Japan in the 1960s and 1970s. Along with