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 South Korean Won is the offical currency of South Korea, with issuance starting in 1945. Its ISO 4217 code is KRW, typically represented by the symbol ₩. The Bank of Korea, South Korea's central bank, is responsible for issuing and managing the currency. Currently, there are banknotes in denominations of 1,000, 5,000, 10,000, and 50,000 Korean Won, along with coins in values of 1, 5, 10, 50, 100, and 500 Korean Won. South Korea is a popular travel destination for Hong Kong residents. Before the pandemic, an average of 680,000 Hong Kong people visited South Korea annually, leading to a strong demand for the exchange of Korean Won. Currently, all money changers in Hong Kong offer the service of exchanging currency to Korean Won.