You may visit the following websites which have a wealth of information about Hong Kong -
Government of the Hong Kong Special Administrative Region
Hong Kong Economic and Trade Office in Brussels
Hong Kong Tourism Board
Immigration Department, HKSARG
Hong Kong News
For business opportunities in Hong Kong, you may also visit -
InvestHK
Hong Kong Trade Development Council
Federation of Hong Kong Business Associations Worldwide
GovHK for Residents of Hong Kong
Belgium-related institutions -
Belgium Consulate General in Hong Kong
Belgium-Luxembourg Chamber of Commerce in Hong Kong
Belgian-Chinese Chamber of Commerce