Antigua (IPA: /ænˈtiːgə//an-tee-gah) is an island in the West Indies, Leeward Islands in the Caribbean region, the main island of the country of Antigua and Barbuda. It is also known as Wadadli, which means approximately "our own". The island's circumference is about 87 kilometres (54 miles) and it has an area of 281 km² (108 square miles). It has a population of about 69,000 people as of July 2006. It is the largest of the Leeward Islands, and has a busy economy based on tourism, internet gambling, and education, including two medical schools.