Saudi riyal Saudi riyal The Saudi riyal ( ""); is the currency of Saudi Arabia. It is abbreviated as The riyal has been the currency of Saudi Arabia since the country came into being and was the currency of Hejaz before Saudi Arabia was created, one of the primary currencies in the Mediterranean region during the Ottoman era. The Hejaz riyal was based on but not equivalent to the Ottoman 20 kuruş coin and was consequently divided into 20 qirsh. However, although the Hejaz riyal was the same weight as the Ottoman 20 kuruş, it was minted in .917 fineness, compared to
São Tomé and Príncipe dobra São Tomé and Príncipe dobra The dobra is the currency of São Tomé and Príncipe. It is abbreviated Db and is divided into 100 cêntimos. The first dobra (STD) was introduced in 1977, replacing the escudo at par. Due to inflation, in 2018 the dobra was redenominated at a rate of 1000 to 1, and given the new ISO 4217 currency code STN. São Tomé and Príncipe signed a deal with Portugal in 2009, linking the dobra with the euro. The exchange rate was fixed at 1 EUR = STD on 1 January 2010, which means that the new dobra