Western hemisphere
The Western Hemisphere is the Earth’s hemisphere located west of the Greenwich meridian and east of the 180th meridian . Meridians of the Western Hemisphere are designated by Meridians of the West The Western Hemisphere includes parts of Europe located west of London , some of Africa , the Atlantic Ocean , America , the Chukchi Peninsula and most of the Pacific Ocean .
In political discourse, the expression “Western Hemisphere” is often used as a synonym for America as a part of the world (that is, North and South America combined).