The Indonesian Rupiah, commonly known as the Indonesian Rupiah, is the circulating currency of Indonesia. The Rupiah has been in circulation since 1946. Its ISO 4217 code is IDR, and it is commonly represented by the symbol Rp. The issuance and management of the Indonesian Rupiah are the responsibility of Bank Indonesia. Currently, there are banknotes in denominations of 1000, 2000, 5000, 10,000, 20,000, 50,000, and 100,000 Rupiah. Additionally, there are coins in values of 100, 200, 500, and 1000 Rupiah. While the Indonesian Rupiah may not be a globally mainstream trading currency, the demand for its exchange remains robust in Hong Kong due to the presence of over 160,000 Indonesian residents. Currently, all money changers in Hong Kong facilitate the exchange of Indonesian Rupiah.

The Vietnamese Dong (VND) is the official currency of Vietnam, introduced in 1978. It is identified by the ISO 4217 code VND and is commonly represented by the symbol ₫. The State Bank of Vietnam (Ngân hàng Nhà nước Việt Nam) is responsible for issuing and managing the Vietnamese Dong. Currently, circulating Vietnamese Dong banknotes include denominations of 100, 200, 500, 1000, 2000, 5000, 10,000, 20,000, 50,000, 100,000, 200,000, and 500,000 Dong, along with coins in denominations of 200, 500, 1000, 2000, and 5000 Dong. Although the Vietnamese Dong is not a mainstream trading currency, Vietnam has consistently been a popular travel destination for Hong Kong. The majority of local money changers facilitate the buying and selling of Vietnamese Dong.