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 and Oman come in second and third respectively within the regional ranks. The six Arab states of the Persian Gulf lie in a volatile region and their six governments, with varying degrees of success and effort, try and advance peace in their own countries and other countries. However, Arab countries in the Persian Gulf region - specifically Saudi Arabia and Qatar - stand accused of funding Islamist militants such as Hamas and the Muslim Brotherhood. According to the Institute of Economics and Peace (IEP)'s Global Peace Index of 2016, the six governments had varying degrees of success in maintaining peace