The riyal was the currency of Hejaz

Hejaz

al-Hejaz, also Hijaz is a region in the west of present-day Saudi Arabia. Defined primarily by its western border on the Red Sea, it extends from Haql on the Gulf of Aqaba to Jizan. Its main city is Jeddah, but it is probably better known for the Islamic holy cities of Mecca and Medina...

 between 1916 and 1925. It was subdivided into 20 ghirsh (Arabic: قرش). The riyal was a silver coin the same weight as the Ottoman 20 kuruş

Turkish lira

The Turkish lira is the currency of Turkey and the de facto independent state of the Turkish Republic of Northern Cyprus. The lira is subdivided into 100 kuruş...

 coin but was minted in .917 fineness rather than .830 fineness. The Hejaz riyal was replaced by the Saudi riyal

Saudi riyal

The Riyal is the currency of Saudi Arabia. It is abbreviated as ر.س or SR . It is subdivided into 100 Halalas . The Saudi Ghirsh is 5 Halalas.-History:...

 in 1925 at par.

Coins

In 1916, bronze coins were issued for ⅛, ¼, ½ and 1 ghirsh together with silver 5, 10 and 20 ghirsh. Gold 1 dinar coins were also minted. Turkish and Egyptian coins, plus Maria Theresa Thaler

Maria Theresa thaler

The Maria Theresa thaler is a silver bullion-coin that has been used in world trade continuously. Maria Theresa Thalers were first minted in 1741, using the then Reichsthaler standard of 9 thalers to the Vienna mark. In 1750 the thaler was debased to 10 thalers to the Vienna Mark...

, were countermarked with the name of the kingdom in Arabic, الحجاز, for use in Hejaz.