The Thai Baht (THB) is the official currency of Thailand, first introduced in 1897. It is identified by the ISO 4217 code THB and is commonly represented by the symbol ฿. The issuance and management of the Thai Baht are overseen by the Bank of Thailand, the central bank of Thailand. Currently, there are banknotes in denominations of 20, 50, 100, 500, and 1000 baht, along with coins in denominations of 1, 2, 5, and 10 baht. Thailand has consistently been a popular travel destination for Hong Kong residents. According to statistics from the Tourism Authority of Thailand, in the entire year of 2023, over 220,000 Hong Kong people traveled to Thailand. The Thai Baht has become an essential currency at local currency exchange stores.

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.