1. Hijaz - Noun
2. Hijaz - Proper noun
a coastal region of the western Arabian Peninsula bordering on the Red Sea; includes both Mecca and Medina; formerly an independent kingdom until it united with Nejd to form the Kingdom of Saudi Arabia
Source: WordNetAfter his Ikhwan armies chased Sharif Hussain of the Hijaz clear off the peninsula and into exile on Cyprus, he held a position of unassailable strength, and gained full British recognition of his sovereignty by the Treaty of Jiddah in 1927. Source: Internet
By this time only the central lands of Mesopotamia were under direct Abbasid control, with Palestine and the Hijaz often managed by the Tulunids. Source: Internet