Bonaire is an island in the Netherlands Antilles, and as such, is a part of the Kingdom of the Netherlands. Together with Aruba and Curaçao it forms a group referred to as the ABC islands of the Leeward Antilles, the southern island chain of the Lesser Antilles. While Papiamentu, Spanish, and English are commonly spoken, the official language is Dutch. Bonaire has a land area of 288 km² (111 sq. miles). Bonaire's Afdeling Bevolking (census) office reported that the population was 14,006 inhabitants as of December, 2006, which means a population density of 49 inh. per km². Uninhabited Klein Bonaire, nestled in the western crescent of the main island, is 6 km² (2.3 sq. miles). Bonaire is served by Flamingo International Airport. The island lies outside the hurricane belt.