Varieties of Arabic of the Arabian Peninsula
Peninsular Arabic are the varieties of Arabic spoken throughout the Arabian Peninsula. This includes the countries of Saudi Arabia, Yemen, Oman, United Arab Emirates, Kuwait, Bahrain, Qatar, Southern Iran, Southern Iraq and Jordan. 
The modern dialects spoken in the Arabian Peninsula are closer to Classical Arabic than elsewhere in the Arab world. Some of the local dialects have retained many archaic features lost in other dialects, such as the conservation of nunation for indeterminate nouns. They retain most Classical syntax and vocabulary but still have some differences from Classical Arabic like the other dialects.
Varieties.
Ingham and Holes both note the existence of two peninsular dialect groups:
The following varieties are usually noted: 
The following table compares the Arabic terms between Saudi dialects of urban Hejazi and urban Najdi in addition to the dialect of the Harb tribe with its tribal area (Najdi, urban Hejazi and bedouin Hejazi groups) which shows a correlation and differences between those dialects:
Footnotes.
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Bibliography.
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