Yes, it is one of 7 countries on the shores of the Persian Gulf. Saudi Arabia and the smaller nations of Kuwait, Bahrain, Qatar, and the United Arab Emirates are on the southern shore, along with the small coastline of Iraq on the northwest. Iran is on the north shore.
(A small exclave of Oman is on the Strait of Hormuz to the east.)
Saudi Arabia is the only country that borders both the Persian Gulf and the Red Sea.
what country border Saudi Arabia to the south
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.
Saudi Arabia is west of Persian Gulf.
Saudi Arabia is west of Persian Gulf.
That is Iran.
Saudi Arabia includes coastline along both the Red Sea and the Persian Gulf.
Kuwait
Kuwait and Saudi Arabia
Kingdom of Saudi Arabia
All of the Gulf countries are "oil rich" -Possibly Saudi Arabia most.
* Iraq * Iran * Saudi Arabia