Northern Europe with Estonia and Finland topping the list among the OECD countries in Europe. Northern Europe Northern Europe is the general term for the geographical region in Europe that is approximately north of the southern coast of the Baltic Sea. Nations usually included within this region are Denmark, Estonia, the Faroe Islands, Finland, Iceland, Latvia, Lithuania, Norway and Sweden, and less often the United Kingdom, the Republic of Ireland, northern Germany, northern Belarus and northwest Russia. Narrower definitions may be based on other geographical factors such as climate and ecology. A broader definition would include the area north of the Alps.
Gulf of Finland Kingdom (17%), Sweden (15%), Netherlands (8%), and Finland (7%). The remaining 9% are from Norway, Denmark, France, United States, Italy, Estonia, and Latvia. These objects present potential hazards to navigation, fishery, coastal construction, laying of submarine pipelines and cables, and the environment. Mines were laid in the gulf during World War I (38,932 units), the Russian Civil War, and the Soviet-Finnish War (1939–1940), with an estimated total number of 60,000; 85,000 more mines were set during World War II, and only a fraction of all those were eliminated after the wars. The ecological condition of the Gulf of Finland, Neva