Vilkitsky Island (East Siberian Sea) Russian Arctic Ocean Hydrographic Expedition led by Boris Vilkitsky on the ships "Taymyr" and "Vaygach" on behalf of the Russian Hydrographic Service in order to chart the last blank areas of Russian maps. Vilkitsky Island (East Siberian Sea) Vilkitsky Island (; "Ostrov Vilkitskogo") is the southernmost island of the De Long group in the northern part of the East Siberian Sea. Administratively Vilkitsky Island belongs to the Sakha Republic administrative division of the Russian Federation. The island is named after Russian hydrographer Boris Vilkitsky. The island is outside of the limits of permanent ice and is unglaciated. At barely Vilkitsky
East China Sea East China Sea The East China Sea is a marginal sea east of China. The East China Sea is a part of the Pacific Ocean and covers an area of roughly . To the east lies the Japanese islands of Kyushu and the Ryukyu Islands, to the south, lies the South China Sea, and to the west by the Asian continent. The sea connects with the Sea of Japan (East Sea) through the Korea Strait and opens to the north into the Yellow Sea. The countries which border the sea include Japan, Taiwan and China. The East China Sea is