What is Kingdom of Hejaz?
{{Infobox country | conventional_long_name = Hashemite Kingdom of Hejaz | native_name = {{lang|ar|المملكة الحجازية الهاشمية}}<br />''Al-Mamlakah al-Ḥijāzyah Al-Hāshimīyah'' | common_name = Hejaz | status = | status_text = | ref_pop2 = <ref>{{cite web|author=Ben Chaoon|title=Saudi Arabia |url=https://www.worldstatesmen.org/Saudi_Arabia.htm#Hejaz|website=WorldStatesmen.org|publisher=Ben M. Cahoon |access-date=9 April 2021}}</ref> | p1 = Hejaz Vilayet{{!}}Ottoman Hejaz | flag_p1 = Flag of the Ottoman Empire (1844–1922).svg | s1 = Sharifian Caliphate | flag_s1 = Flag of Hejaz (1920).svg | s2 = Kingdom of Hejaz and Nejd{{!}}Hejaz and Nejd | flag_s2 = Flag of the Kingdom of Hejaz and Nejd.svg | image_flag = Flag of Hejaz (1917).svg | flag_type = [[Flag of the Arab Revolt|Flag]]<br>(1917–1920) | flag_caption = {{plainlist| *Top: 1917–1920 *Bottom 1920–1925 }} | image_flag2 = Flag of Hejaz (1920).svg | image_coat = Coat of arms of Kingdom of Hejaz.svg | symbol_type = [[Emblem of Saudi Arabia|Coat of arms]]<br>(1920–1925) | coa_size = 115px | image_map = Kingdom of Hejaz 1920.png | image_map_caption = Kingdom of Hejaz (green) within modern-day [[Saudi Arabia]] | capital = [[Mecca]]<br>{{small|(1916–1924)}}<br>[[Jeddah]]<br>{{small|(1924–1925)}}<ref>{{cite web|author=Ben Chaoon|title=Saudi Arabia |url=https://www.worldstatesmen.org/Saudi_Arabia.htm#Hejaz|website=WorldStatesmen.org|publisher=Ben M. Cahoon |access-date=9 April 2021}}</ref> | common_languages = [[Arabic]] | ethnic_groups = [[Arabs]] | religion = [[Sunni Islam]] | stat_pop1 = 850,000 | stat_pop2 = 900,000 | stat_year1 = 1920 | stat_year2 = 1925 | currency = [[Hejazi riyal]] | government_t