Gulf Arabic: often called Khalihi Arabic, this is spoken in Kuwait, Qatar, Saudi Arabia, Bahrain, Sultanate of Oman, United Arab Emirates and Yemen. Other states influence by gulf Arabic language or dialect are Iraq, Syria, Jordan.
There are lots of differences between Gulf dialects Kuwaiti Arabic and the dialects of United Arab Emirate and Qatar particularly in accent and vocabulary. Gulf Arabic Language or dialects vary a lot in grammar, accent and vocabulary. also, the Saudi population outside Eastern Arabia mostly speak Hejazi Arabic, which is distinct from Gulf Arabic dialect.