The Pound Sterling is the official currency of the United Kingdom and a range of British territories, and it has been in circulation since 1694. Its ISO 4217 code is GBP, and it is commonly represented by the symbol £. The subsidiary unit of the Pound is the Penny, where 1 Pound equals 100 Pennies. The issuance and management of the Pound are handled by the Bank of England for England and by separate banking institutions in Scotland and Northern Ireland.Currently, there are banknotes in denominations of 5, 10, 20, 50, and 100 Pounds. Additionally, there are coins in values of 1, 2, 5, 10, 20, and 50 Pennies, as well as 1 and 2 Pounds. The British Pound ranks fourth globally in terms of trading volume, and all money changers in Hong Kong provide British Pound exchange services.

The Euro is the official currency of the European Union. It has been in circulation as electronic currency since 1999 and as physical banknotes and coins since 2002. Its ISO 4217 code is EUR, and it is typically represented by the symbol €. The issuance and management of the Euro are jointly handled by the European Central Bank and the central banks of the individual countries within the Eurozone. Currently, there are banknotes in denominations of 5, 10, 20, 50, 100, 200, and 500 Euros. Additionally, there are coins in values of 1, 2, 5, 10, 20, 50 Euro cents, and 1, 2 Euros. The Euro ranks second globally in terms of trading volume, and all money changers in Hong Kong support the exchange between the Hong Kong Dollar and Euro.