Boundaries between the continents of Earth Zemlya extend northward from the northern end of the Ural Mountains and are a continuation of that chain into the Arctic Ocean. While Novaya Zemlya was variously grouped with Europe or with Asia in 19th-century maps it is now usually grouped with Europe, the continental boundary considered to join the Arctic Ocean along the southern shore of the Kara Sea. The Russian Arctic archipelago of Franz Josef Land farther north is also associated with Europe. Europe ends in the west at the Atlantic Ocean, although Iceland and the Azores archipelago (in the Atlantic, between Europe and North America) are usually
Severnaya Zemlya During the days that followed Vilkitsky's expedition charted parts of the Laptev Sea coast of what they believed to be a single island. Barely six months later in early 1914, by order of the Secretary of the Imperial Navy, the new discovery was renamed "Emperor Nicholas II Land" (, "Zemlya Imperatora Nikolaya II"), after ruling Emperor Nicholas II of Russia. In 1926 the Presidium of the Central Executive Committee of the USSR renamed the still not fully explored land "Severnaya Zemlya". In May 1928, an attempt was made by Umberto Nobile and his crew in the Airship Italia to overfly