Persian is one of the important Islamic languages spoken by almost 155 million people; 55 million in Iran, and others in Afghanistan, Tajikistan, Pakistan, etc. Persian uses the Arabic alphabet which makes it easy for Arabs to study this language. Persian has special importance to Islamic countries in general and to the countries of the Gulf Cooperation Council in particular. As for the Kingdom of Saudi Arabia, this importance increases due to the fact that large numbers of Iranian pilgrims head up to the Kingdom every year. Persian language is the language of an ancient deep-rooted culture that has been used to document works of the most precious international repertoires in the Islamic era.