The European Mainland is a CONTINENT located in the Northern Hemisphere, consisting of the westernmost part of Eurasia. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and the Black Sea and connected waterways to the southeast. The European Mainland is home to about 743 million people, making it the third-most populous CONTINENT in the world. It is composed of 44 countries, including Russia, Germany, France, Italy, Spain, and the United Kingdom.