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.

The Russian Ruble (RUB) is the official currency of Russia, first introduced in 1992. It is identified by the ISO 4217 code RUB and is commonly represented by the symbol ₽. The issuance and management of the Russian Ruble are overseen by the Bank of Russia, which is the central bank of the Russian Federation. Currently, circulating banknotes include denominations of 5, 10, 50, 100, 200, 500, 1000, 2000, and 5000 Rubles. There are also coins in denominations of 1, 2, 5, and 10 Rubles, as well as 1, 5, 10, and 50 Kopecks. The Kopeck is the subsidiary currency of the Russian Ruble, with 100 Kopecks being equivalent to 1 Russian Ruble. According to Passto's statistics, there are 8 money changers across Hong Kong where you can buy and sell Russian Ruble.