Everything you need to know before you go.
Get an Octopus card immediately upon arrival. You can use it for MTR, buses, ferries, convenience stores, and even some restaurants. It's essential.
Hong Kong uses Type G plugs (British style) and 220V electricity. Bring a universal adapter if you're coming from the US or Europe.
October to December is ideal—cool, dry, and sunny. Summers (June-Aug) are very hot and humid with occasional typhoons.
Free WiFi is available at many public parks, MTR stations, and museums. Prepaid SIM cards are cheap and easy to buy at 7-Eleven.