The Eastern Hemisphere is a geographical term for the half of the earth which is east of the prime meridian (which crosses Greenwich, England) and west of the antimeridian. It is also used to refer to Europe, Asia, Africa, and Australia, in contrast with the Western Hemisphere, which includes North and South America. This hemisphere may also be called the ''Oriental Hemisphere''. In addition, it may be used in a cultural or geopolitical sense as a synonym for the ''Old World''.

Is it true that is there such thing as the eastern hemisphere?
yes