港幣（HKD）是香港特別行政區的流通貨幣，首張港幣由東方匯理銀行發行於1845年，距今已經超過179年。港元採用聯繫匯率制度，最初與英鎊掛鉤，但1972年6月英鎊改為自由浮動制後，港府決定將港幣改為與美金掛鉤，並延續至今。港府設定的浮動範圍在1美金兌7.75到7.85港元之間，如果匯率超出此范圍，金管局將出手干預，以維持穩定。在本港的找換店行業，港幣最經常兌換的外幣包括人民幣、日元、菲律賓披索、印尼盾以及美金。

The Japanese Yen is the circulating currency of Japan, with issuance dating back to 1871. Its ISO 4217 code is JPY, and it is commonly represented by the symbols ¥ or 円. The Bank of Japan is responsible for the issuance and management of the Japanese Yen. Currently, there are banknotes in denominations of 1000, 5000, and 10,000 Yen, along with coins in values of 1, 5, 10, 50, 100, and 500 Yen. Japan has consistently been a popular travel destination for Hong Kong residents, with the number of Hong Konger traveling to Japan reaching 2.11 million in 2023. The demand for Japanese Yen exchange has remained high. Currently, all money changers in Hong Kong facilitate the exchange of Japanese Yen.