Hejazi Arabic
Hejazi Arabic or Hijazi Arabic ( '), also known as West Arabian Arabic, is a variety of Arabic spoken in the Hejaz region in Saudi Arabia. Strictly speaking, there are two main groups of dialects spoken in the Hejaz region, one by the urban population, originally spoken in the major cities of Jeddah, Mecca and Medina, and another by the Bedouin or rural populations. However, the term most often applies to the urban variety which is discussed in this article.
Eastern Arabia
The Arabs of Eastern Arabia speak a dialect known as Gulf Arabic. Most Saudis do not speak Gulf Arabic because most Saudis do not live in Eastern Arabia. There are approximately 2 million Gulf Arabic speakers in Saudi Arabia, mostly in the coastal eastern region. Before the GCC was formed in 1981, the term "Khaleeji" was solely used to refer to the inhabitants of Eastern Arabia.