You can swipe your card at a merchant with the UnionPay logo in Hong Kong, or you can withdraw Hong Kong dollars from an ATM with the UnionPay logo.

Of course, you can also swipe your card at the main merchant.

If you go to Hong Kong, it is suggested to take the UnionPay channel, because the UnionPay channel is free of currency conversion fees, which can save the landlord about 1.5%.

There are many UnionPay merchants in Hong Kong, and the credit card is basically accessible, so the landlord need not worry.