Hong Kong is made up of three parts. Kowloon Peninsula(九龙半岛), New Territories(新界), and Hong Kong Island.
If you wanted to get there from the mainland, you used to have to go on a ferry or through a tunnel under the sea. Much of Hong Kong is farmland and mountains. The urban districts occupy (占据)only about 10 % of the area.
The population of Hong Kong is over six million. 98 % of them are Chinese. Its official languages are Chinese and English, as it was a British colony (殖民地) from 1841. The currency (货币) is called the Hong Kong dollar It's famous for its shopping. You can buy all kinds of things there.