This list divides the world using the seven-continent model, with islands grouped into adjacent continents. The continents are: * Africa * Asia * Europe * North America * Middle East * South America * Oceania (a geopolitical region which includes the continent of Australia and the Pacific Islands) * Antarctica In other models, Asia, the Middle East and Europe can be combined as Eurasia, Asia and the Middle East can be combined into Asia, while North and South America can be combined as the Americas.