Norway comprises the western and northernmost part of Scandinavia in Northern Europe. Norway lies between latitudes 57° and 81° N, and longitudes 4° and 32° E. Norway is the northernmost of the Nordic countries and if Svalbard is included also the easternmost. Vardø at 31° 10' 07" east of Greenwich lies further east than St. Petersburg and Istanbul. Norway includes the northernmost point on the European mainland. The rugged coastline is broken by huge fjords and thousands of islands. The coastal baseline is . The coastline of the mainland including fjords stretches , when islands are included the coastline has been estimated to . Norway shares a  land border with Sweden,  with Finland, and  with Russia to the east. To the north, west and south, Norway is bordered by the Barents Sea, the Norwegian Sea, the North Sea, and Skagerrak. The Scandinavian Mountains form much of the border with Sweden.