Hong Kong Island is an island in the southern part of Hong Kong. The island, known originally and on road signs simply as Hong Kong, has a land area of approximately 78.59 square kilometres (30.34 sq mi) and a population of 1,289,500 with a population density of 16,390 per square kilometre (42,400/sq mi), as of 2023. It is the second largest island in Hong Kong, with the largest being Lantau Island. Hong Kong Island forms one of the three areas of Hong Kong, with the other two being Kowloon and the New Territories.