The boarders of the world include all continents on the world itself. Terseema goes from the East Coast of the Matrum Sea to the West Coast of Vhelmensa Sea. Where as Centrum's West coast is the Matrum Sea and East Cost is the Vhelmensa Sea. Habitu North is mainly encompassed by the Matrum Sea, though parts of the East do touch the Vhelmensa Sea. Alternately Habitu South is mainly encompassed by the Vhelmensa Sea with parts of the Matrum Sea do touch the continent. Insalum is completely encompassed by the Matrum Sea.