1. Check out the Visit Visa / Entry Permit Requirements
The Immigration DepartmentíŽs Visit Visa / Entry Permit Requirements for the Hong Kong Special Administrative Region gives a list of countries/ territories which always require a VISA. Please check if you need a VISA to enter Hong Kong.
Please read through all the details and conditions stated in the captioned website.
2. Guidebook for Entry for Visit/Transit in Hong Kong
This guidebook sets out the entry arrangement for persons who require a visa/entry permit to visit/transit the HKSAR. You can find application procedures, travel documentation requirements, etc, in this guidebook. To speed up your application, you can download the application form in advance.
Please note that this entry arrangement does not apply to Chinese residents of the Mainland and Taiwan (other than People's Republic of China passport holders and Chinese residents of Taiwan living overseas).