Ireland exists on the planet Earth.
The Atlantic Ocean is the second largest of the world 's oceans with a total area of about 106,460,000 km2 . Ireland . Ireland is the second-largest island of the British Isles , the third-largest in Europe , and the twentieth-largest on Earth . In 2011 , the population of Ireland was about 6.4 million , ranking it the second-most populous island in Europe after Great Britain .