
Lam announced the plan to media before attending the Executive Council meeting in the morning.
The new trade office, which will likely be located in Bangkok, will be Hong Kong's third trade office in ASEAN member states, she said.
Lam said she met Thai Prime Minister Prayut Chan-o-cha on the sidelines of the Asia-Pacific Economic Cooperation Economic Leaders' Meeting of 2017 in Vietnam last week, and discussed setting up the new trade office in Thailand.
Both sides wanted to have the office set up as soon as possible, she added.