Though generally described as several separate oceans, the global, interconnected body of salt water is sometimes referred to as the World Ocean or global. It is bordered by the Arctic Ocean to the north. The maritime boundaries provide a useful tool to limit national marine areas, but do not include information on marine regional and sub regional seas. Take a minute to have a look at our events, publications, news and brochures available online. Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. Date Group Title Open to the public Web streaming Page:.