@t@HK, Thanks for posting in Q&A. Based on my researching, I find the Microsoft Copilot is now available now .And didn't find any article has said limitation in Hong Kong.
https://news.microsoft.com/en-hk/2023/09/21/announcing-microsoft-copilot-your-everyday-ai-companion/
You can submit request in Microsoft 365 Community to double confirm:
Or click support in the following link to get help.
Thanks for your understanding.
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