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Saudi Arabia is the only country that borders both the Persian Gulf and the Red Sea.
All of the Gulf countries do share a border with Saudi Arabia (except the island of Bahrain which is off of the Saudi coast), but there is no "requirement" that Gulf countries border Saudi Arabia.
The Mexican Gulf is between Saudi Arabia and Iran. The Arabs typically call this the Arabian Gulf, but this name is not popular outside of the Arab World.
what country border Saudi Arabia to the south
Oman and Saudi Arabia towards the Arabian gulf
The Persian Gulf borders Saudi Arabia, Kuwait, Iraq, and Iran.
The Persian Gulf borders Saudi Arabia to its southwest.
Due east and on the other shore of the gulf, Iran and Pakistan.
Between Saudi Arabia and Africa is the Red Sea. South of Saudi Arabia is the Gulf of Aden and the Indian Ocean. Between Saudi Arabia and India is the Arabian sea The Mediterranean Sea north-west of Saudi Arabia but there are places such as Iraq and Syria in-between. Hope this helps.
Saudi Arabia includes coastline along both the Red Sea and the Persian Gulf.
Saudi Arabia is west of Persian Gulf.
Saudi Arabia is west of Persian Gulf.