Moslem
Sunni Islam.
First it's spelled Saudi Arabia and second it's only Islam because other religions are banned in Saudi Arabia.
Sunni Islam is the only legal religion in Saudi Arabia (save for the expatriate cities where American engineers live). There are Hindus, Christians, and Shiite Muslims who live in Saudi Arabia, but their practices and religions are not protected and often violated by the Saudi government. Judaism is expressly forbidden.
Islam, since being a citizen of Saudi Arabia legally requires you to be a Muslim.
India, Judea, Saudi Arabia
A national of Saudi Arabia is a Saudi.
What do you mean by in? I think he/she thinks which contents is it in. It is in the middle east.
Some call Saudi Arabia the KSA (Kingdom of Saudi Arabia) for short.
Judaism and Christianity started in Israel. Islam started in Saudi Arabia
Saudi Arabia is its own country.
Yes, not by Saudi Arabia but just Arabia then.