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 New Taiwan Dollar (TWD) is the official currency of Taiwan, first issued in 1949. It is identified by the ISO 4217 code TWD and is commonly represented by the symbols $ or NT$. The issuance and management of the New Taiwan Dollar are overseen by the Central Bank of the Republic of China (Taiwan). Commonly used banknotes include denominations of 100, 200, 500, 1000, and 2000 yuan, along with coins in denominations of 1, 5, 10, 20, and 50 yuan. According to statistics from the Taiwan Tourism Bureau, from January to September 2023, over 770,000 Hong Kong residents have visited Taiwan, leading to a strong demand for exchanging New Taiwan Dollars. Currently, all currency exchange shops in Hong Kong facilitate the buying and selling of New Taiwan Dollars.