The Upper North Shore refers to the area located north of Chatswood including Ku-ring-gai, composed of the suburbs around Ku-ring-gai and known for its expensive home and property prices. The city is credited with the highest quality of life in Australia as of 2008. More than 110,000 people in Ku-ring-gai. One of the two larger commercial/retail areas in the Upper North Shore is Chatswood. The other is North Sydney, which also includes businesses specializing in advertising and information technology.