Saudi Arabia is known as the 'birth place' of a more specific religion, Islam.
The main religion of Saudi Arabia is Islam
Saudi Arabia's primary religion (along with most of the Middle East) is Islam.
The vast majority of Saudi are Wahhabi Muslims. Being any religion other Muslim is illegal in Saudi Arabia.
Islam, since being a citizen of Saudi Arabia legally requires you to be a Muslim.
Islam is the main religion of Saudi Arabia.
It's a part of their religion and in Saudi Arabia every religion except Islam is banned by the law.
Islamic
Islam
Mecca, Saudi Arabia
Oil and religion (Islam)
Sunni Islam
Makkah - Saudi arabia. Asia