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.
Hadhrami Arabic
There are a few lexical items that are shared with Modern South Arabian languages, which perhaps distinguish this dialect from other neighbouring Peninsular dialects. The effect of Hadhrami emigration to Southeast Asia (see Arab Indonesians and Arab Singaporeans), the Indian subcontinent and East Africa is clear in the vocabulary especially in certain registers like types of food and dress: "sarong." Many loanwords are listed in al-Saqqaf (2006).