Mong Kok Market: Mong Kok Market is one of the famous traditional markets in Hong Kong. You can find some stalls selling salted fish there.

2. Electrical Street in Mong Kok: Although it is mainly famous for electronic products, some stalls or small shops may also sell salted fish.

3. Vegetable market near Chow Tai Fook Plaza: Chow Tai Fook Plaza is located in the core of Mong Kok, and there are some vegetable markets around it. Maybe you can find the salted fish you want there.