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 non-Islandian portion of the semi-continent, about 40% of the whole, is independent. This region comprises primarily interior lands, chiefly the Col Plateau, which is mostly desert. The largest populated area of the independent portion of Karain is the Demiji, located between the Col Plateau and Mobono. Later political developments in Karain have not been portrayed in the published fiction on Islandia. Presumably after World War I the German controlled regions would have been assigned to other nations as trustee territories. The last glimpse of Karain is from 1969, at which time Islandia is contemplating joining the United Nations; no information