Karafuto PrefectureKarafuto Agency, from 1943 Karafuto Prefecture (樺太庁, Karafuto-chō later 樺太県, Karafuto-ken; Prefektura Karafuto), commonly known as South Sakhalin, was a colony of the Empire of Japan on Sakhalin from 1907 to 1943 and later a prefecture until 1945. Karafuto became a territory of the Empire of Japan in 1905 after the Russo-Japanese War, when the portion of Sakhalin south of 50°N was ceded from the Russian Empire in the Treaty of Portsmouth. Karafuto was established in 1907 as an external territory, until being upgraded to an "Inner Land" of the Japanese metropole in 1943.
Kuril Islands disputeThe Kuril Islands dispute, known as the Northern Territories dispute in Japan, is a territorial dispute between Japan and Russia over the ownership of the four southernmost Kuril Islands. The Kuril Islands are a chain of islands that stretch between the Japanese island of Hokkaido at their southern end and the Russian Kamchatka Peninsula at their northern end. The islands separate the Sea of Okhotsk from the Pacific Ocean.
Nivkh peopleThe Nivkh, or Gilyak (also Nivkhs or Nivkhi, or Gilyaks; ethnonym: Нивхгу, Nʼivxgu (Amur) or Ниғвңгун, Nʼiɣvŋgun (E. Sakhalin) "the people"), are an indigenous ethnic group inhabiting the northern half of Sakhalin Island and the lower Amur River and coast on the adjacent Russian mainland and historically possibly parts of Manchuria. Nivkh were traditionally fishermen, hunters, and dog breeders. They were semi-nomadic, living near the coasts in the summer and wintering inland along streams and rivers to catch salmon.
Kuril IslandsThe Kuril Islands or Kurile Islands (ˈkʊərɪl,_ˈkjʊərɪl,_kjʊˈriːl; Кури́льские острова́; Japanese: "Kuril Islands" or "Thousand Islands") are a volcanic archipelago administered as part of Sakhalin Oblast in the Russian Far East. The islands stretch approximately northeast from Hokkaido in Japan to Kamchatka Peninsula in Russia, separating the Sea of Okhotsk from the north Pacific Ocean. There are 56 islands and many minor islets. The Kuril Islands consist of the Greater Kuril Chain and, at the southwest end, the parallel Lesser Kuril Chain.
SakhalinSakhalin (Сахали́н) is an elongated island in Northeast Asia, located just off the southeastern coast of Russia's Khabarovsk Krai, and north of Japan's Hokkaido. A marginal island of the West Pacific, Sakhalin divides the Sea of Okhotsk to its east from the Sea of Japan to its southwest. It is administered as part of Sakhalin Oblast and is the largest island of Russia with an area of . The island has a population of roughly 500,000, the majority of whom are Russians.
Ainu peopleThe Ainu are an indigenous people of the lands surrounding the Sea of Okhotsk, including Hokkaido Island, Northeast Honshu Island, Sakhalin Island, the Kuril Islands, the Kamchatka Peninsula, and Khabarovsk Krai, since before the arrival of the Yamato Japanese and Russians. These regions are referred to as Ezo in historical Japanese texts. Official estimates place the total Ainu population of Japan at 25,000.
Surrender of JapanThe surrender of the Empire of Japan in World War II was announced by Emperor Hirohito on 15 August and formally signed on 2 September 1945, bringing the war's hostilities to a close. By the end of July 1945, the Imperial Japanese Navy (IJN) had become incapable of conducting major operations and an Allied invasion of Japan was imminent. Together with the United Kingdom and China, the United States called for the unconditional surrender of the Japanese armed forces in the Potsdam Declaration on 26 July 1945—the alternative being "prompt and utter destruction".
Russian Far EastThe Russian Far East (Дальний Восток России) is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is administered as a part of the Far Eastern Federal District, which is located between Lake Baikal in eastern Siberia and the Pacific Ocean. The area's largest city is Khabarovsk, followed by Vladivostok. The region shares land borders with the countries of Mongolia, China, and North Korea to its south, as well as maritime boundaries with Japan to its southeast, and with the United States along the Bering Strait to its northeast.
Hokkaidois Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel. The largest city on Hokkaidō is its capital, Sapporo, which is also its only ordinance-designated city. Sakhalin lies about 43 kilometers (26 mi) to the north of Hokkaidō, and to the east and northeast are the Kuril Islands, which are administered by Russia, though the four most southerly are claimed by Japan.
ParamushirParamushir (Paramushir, Paramushiru-tō, パラムシㇼ) is a volcanic island in the northern portion of the Kuril Islands chain in the Sea of Okhotsk in the northwest Pacific Ocean. It is separated from Shumshu by the very narrow Second Kuril Strait in the northeast , from Antsiferov by the Luzhin Strait () to the southwest, from Atlasov in the northwest by , and from Onekotan in the south by the wide Fourth Kuril Strait. Its northern tip is from Cape Lopatka at the southern tip of the Kamchatka Peninsula.
