Boundaries between the continents of Earth Boundaries between the continents of Earth The boundaries between the continents of Earth are generally a matter of geographical convention. Several slightly different conventions are in use. The number of continents is most commonly considered seven but may range as low as four when the Americas and Afro-Eurasia are each considered a single continent. According to the definition of a continent in the strict sense, an island cannot be part of any continent, but by convention and in practice most major islands are associated with a continent. There are three overland boundaries subject to definition: While the isthmus between Asia
Karain semi-continent about the status of other countries in Karain at that time is provided. Three offshore volcanic islands, Carnia, Kernia, and Ferrin, have been known since 1472. They supply the Islandians with iron, copper, and other minerals. The largest river in the semi-continent is the Karain River, which runs more or less south-to-north. At its mouth is one of the largest river deltas in the world, rivaling that in Louisiana. The largest city on the delta is Shobo-n-Po, which is independent. There is a great deal of pirate activity near the city. Not counting the arid Col Plateau, the interior of