Hejaz
Historically, the Hejaz has always seen itself as separate from the rest of Saudi Arabia. The Hejaz is the most populated region in Saudi Arabia; 35% of all Saudis live there. Hejazi Arabic is the most widely spoken dialect in the region. Saudi Hejazis are of ethnically diverse origins.
Arabic phonology
The phoneme represented by the Arabic letter "" () has many standard pronunciations: in most of the Arabian Peninsula and as the predominant pronunciation of Literary Arabic outside the Arab world, in most of Egypt and some regions in southern Yemen and southwestern Oman. This is also a characteristic of colloquial Egyptian and southern Yemeni dialects. In Morocco and western Algeria, it is pronounced as in some words, especially colloquially. In most north Africa and most of the Levant, the standard is pronounced , and in certain regions of the Persian Gulf colloquially with . In some Sudanese and Yemeni dialects, it may be either or as it used to be in Classical Arabic.