Asia.
They both have a lot of Indian citizens.
Syria and Saudi Arabia are both countries in Asia.
Riyadh is the capital city of Saudi Arabia; which is located on the Asian continent
Saudi Arabia is the only country that borders both the Persian Gulf and the Red Sea.
No, Palestine is a country and Saudi Arabia is another country, but they're both in Asia.
Oman is not part of Saudi Arabia because Oman and Saudi Arabia is a different countries.
Kuwait and Jordan share borders with both Iraq and Saudi Arabia.
Saudi Arabia includes coastline along both the Red Sea and the Persian Gulf.
Both Saudi Arabia and Antarctica are primarily deserts. Admittedly, Antarctica is a cold desert, but both regions receive minimal rainfall.
The State of Kuwait is the smallest country that is bordered by both Saudi Arabia and Iraq. Kuwait shares its southern border with Saudi Arabia and northern border with Iraq.
Both are peninsulas.