Hong Kong Secretary for Commerce and Economic Development Edward Yau said five or six nations have shown an interest, including Japan and Thailand.
Other countries discussed for the travel bubble are South Korea, Australia, New Zealand, Germany, France, Switzerland, Vietnam, Malaysia and Singapore.
Yau said that travelers within the bubble might be required to take a coronavirus test before departure and upon arrival, and could be limited to visit a few tourist attractions with quotas.
Cases ease: Hong Kong reported six new Covid-19 cases in the past 24 hours, three of which were were locally transmitted. This is the lowest number of daily cases announced since a third wave of the virus hit the city in July.