The fourth part of the world

The fourth part of the world may refer to;


 * The New World, also called "the fourth part of the world"
 * Americae Sive Quartae Orbis Partis Nova Et Exactissima Descriptio or The Fourth Part of the World, a 1562 geographical map
 * The Fourth Part of the World: The Epic Story of History's Greatest Map, a 2009 book by Toby Lester