Persian Gulf as "The Northwestern limit of Gulf of Oman". This limit is defined as "A line joining Ràs Limah (25°57'N) on the coast of Arabia and Ràs al Kuh (25°48'N) on the coast of Iran (Persia)". The gulf is connected to Indian Ocean through Strait of Hormuz. Writing the water balance budget for the Persian Gulf, the inputs are river discharges from Iran and Iraq (estimated to be 2000 cubic meters per second), as well as precipitation over the sea which is around 180mm/year in Qeshm Island. The evaporation of the sea is high, so that after considering river discharge and
Arab states of the Persian Gulf methods by Japanese scientists. According to the World Bank, most of these Arab states have been the world's most generous donors of aid as a share of GDP. Arab states of the Persian Gulf The Arab states of the Persian Gulf are the seven Arab states which border the Persian Gulf, namely Bahrain, Iraq, Kuwait, Oman, Qatar, Saudi Arabia and the United Arab Emirates (UAE). This excludes the non-Arab state of Iran. All of these nations except Iraq are part of the Gulf Cooperation Council (GCC), and prefer to use the term "Arabian Gulf" rather than "Persian Gulf". Some states