| 1．Shikotan |
| Shikotan, also known as Shpanberg or Spanberg, is an island in the Kurils administered by the Russian Federation as part of Yuzhno-Kurilsky District of Sakhalin Oblast. It is claimed by Japan as the titular Shikotan District (色丹郡, Shikotan-gun), organized as part of Nemuro Subprefecture of Hokkaido Prefecture. The island's primary economic activities are fisheries and fishing, with the principal marine products being cod, crab, and kelp. |
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| 2．Benten-jima (Wakkanai) |
| Benten-jima (弁天島) is a small deserted island west by northwest of Cape Sōya, Wakkanai, Hokkaidō, Japan. It is the northernmost piece of land under Japanese control. The island is 1 km (0.54 nmi) north of Sannai settlement. Another island called Hira-shima (平島) lies southeast of Benten-jima. Benten-jima is 0.5 hectares (1.2 acres) in area, its perimeter is roughly 500 metres (1,600 ft), and its highest point is 20 metres (66 ft) above sea level. It is named after Benzaiten, once enshrined on the island. The wildlife includes many seabirds, Steller sea lions, kombu kelp, and sea urchins; it has been recognised as an Important Bird Area (IBA) by BirdLife International because it supports a large breeding colony of black-tailed gulls.[1] |
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| 3．Kunashir |
| Kunashir Island (Russian: Кунаши́р, romanized: Kunashír; Japanese: 国後島, romanized: Kunashiri-tō; Ainu: クナシㇼ, romanized: Kuna=sir), possibly meaning Black Island or Grass Island in Ainu, is the southernmost island of the Kuril Archipelago. The island has been under Russian administration since the end of World War II, when Soviet forces took possession of the Kurils. It is claimed by Japan (see Kuril Islands dispute). |
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| 4．Oshima (Hokkaido) |
| Ōshima (大島, lit. Big Island) is an uninhabited island in the Sea of Japan, 50 kilometers (31 mi) west of Matsumae town and therefore the westernmost point of Hokkaido. It is part of the town of Matsumae in Oshima Subprefecture in Hokkaido, Japan. To distinguish Ōshima from other islands with the same name, it is sometimes known as Oshima Ōshima (渡島大島) or Matsumae Ōshima (松前大島). |
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| 5．Kojima (Hokkaido) |
| Ko Island (小島, Ko-jima) or Kojima is an uninhabited volcanic island in the Sea of Japan, 23 kilometres (14 mi) southwest of the mainland portion of the town of Matsumae[2] and is the southernmost point in Hokkaidō. It is under the administration of the district of Matsumae in Oshima Subprefecture in Hokkaido, Japan. To distinguish Ko Island from other islands with the same name, it is sometimes known as Oshima Ko Island (渡島小島, Oshima-Kojima) or Matsumae Ko Island (松前小島, Matsumae-Kojima). |
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| 6．Kamome Island |
| Kamome Island (鷗島, Kamome Jima) is an island (or more precisely, peninsula) in the Sea of Japan just off the coast of the town of Esashi, Hokkaidō, Japan. The island serves as a breakwater for the Esashi port. It has several historical sites and is protected as a part of the Hiyama Prefectural Natural Park. Every July, there is a two-day festival that attracts tourists to the island. People visit the island throughout the year for swimming, camping, fishing and other recreational activities.[1][2] |
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| 7．Okushiri Island |
| Okushiri Island (奥尻島, Okushiri-tō) is an island in Hokkaidō, Japan. It has an area of 142.97 square kilometres (55.20 sq mi). The town of Okushiri and the Hiyama Prefectural Natural Park encompass the entire island. It has many pastures, beech tree forests, and a rocky coastline. There are two elementary schools, one junior high school, and one senior high school. Okushiri currently has no colleges or universities. |
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| 8．Teuri Island |
| Teuri Island (天売島 Teuri-tō) is an island in the Sea of Japan 30 km west of Haboro port in Haboro, Tomamae District, in the Rumoi Subprefecture in Hokkaido. The Island, along with neighboring Yagishiri island on its east side, belongs to the town of Haboro in Rumoi Subprefecture. The island has an area of 5.5 square kilometers (2.1 sq mi), with 12 km of coastline, and the population is 317 people as of March, Heisei 20 (2008). It is said that the name of the island comes from the Ainu language, where the name could either be interpreted as “fish back” or “leg.” |
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| 9．Yagishiri Island |
| Yagishiri Island (焼尻島, Yagishiri-tō) is a small, sparsely populated island in the Sea of Japan, 23 kilometres (14 mi) northwest of Haboro Bay in Haboro, Hokkaido.[1][2] The island, along with neighboring Teuri Island on its west side, belongs to the town of Haboro in Rumoi Subprefecture. It is noted for its dense forests; fully two-thirds of it remains forested.[3] |
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| 10．Esanbe Hanakita Kojima |
| Esanbe Hanakita Kojima (エサンベ鼻北小島) is a uninhabited island that sits around 1,650 feet off the northern Japanese island of Hokkaido in the Sea of Okhotsk.[1] Esanbe Hanakita Kojima was located 500 meters off Sarufutsu on the northern main island of Hokkaido in the Sea of Okhotsk. The island received its name in 2014. At a survey in 1987, its highest point was 1.40 meters above sea level. In October 2018, residents of Sarufutsu found that it was missing, it was determined that the island was underwater.[2] This has been ascribed to erosion by wind and by drift ice, which forms in the sea during winters. The disappearance of the island, if confirmed, would lead to the reduction of Japan's exclusive economic zone in this part of the sea by half a kilometre.[3] |
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| 11．Rebun Island |
| Rebun Island (礼文島, Rebun-tō, Ainu: Repun) is an island in the Sea of Japan off the northwestern tip of Hokkaidō, Japan. The island sits 50 kilometres (31 mi) off the coast of Hokkaidō. Rebun stretches 29 kilometres (18 mi) from north to south and 8 kilometres (5.0 mi) from east to west. The island covers approximately 80 square kilometres (31 sq mi). Rebun Island is located 10 kilometres (6.2 mi) northwest of Rishiri Island, and the two islands are separated by the Rebun Channel.[1][2][3] |
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| 12．Rishiri Island |
| Rishiri Island (利尻島, Rishiri-tō) is a volcanic island in the Sea of Japan off the coast of Hokkaido, Japan. Administratively the island is part of Hokkaido Prefecture, and is divided between two towns, Rishiri and Rishirifuji. The island is formed by the cone-shaped extinct volcanic peak of Mount Rishiri.[1] Along with Rebun Island and the coastal area of the Sarobetsu Plain, Rishiri forms the Rishiri-Rebun-Sarobetsu National Park. The main industries of Rishiri are tourism and fishing. The island is about 63 kilometres (39 mi) in circumference and covers 183 square kilometres (71 sq mi). The island has a population of 5,102 residents.[2][3][4][5] |
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| 13．Nemuro Strait |
| Nemuro Strait, also called Notsuke Strait and Kunashirsky Strait (Russian: Кунаширский пролив), is a strait separating Kunashir Island of the Kuril Islands, Russia (claimed by Japan) from the Shiretoko Peninsula, Hokkaidō, Japan. The strait connects the Sea of Okhotsk in the north to the Izmeny Strait (пролив Измены) in the south. It is located on the southeastern borders of Sakhalin Oblast, Russia, and Nemuro Subprefecture of Japan. Along the strait runs the border between the two states.[1] |
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| 14．Daikoku Island (Akkeshi) |
| Daikoku Island (大黒島, Daikoku-jima) is an uninhabited island in Akkeshi, Hokkaidō, Japan. Together with the smaller island of Kojima (小島) to the north, it forms a natural breakwater at the entrance to Akkeshi Bay (厚岸湾).[3] At the southwest tip of the island at an elevation of approximately 105 metres is Akkeshi Lighthouse (厚岸灯台), which began operations on 25 November 1890.[3][4] Of the island's 107 hectares, 64 are owned by the state, 42 by the municipality, and one is in private hands.[2] |
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| 15．Kenbokki Island |
| Kenbokki Island (嶮暮帰島, Kenbokki-tō) is an uninhabited island in Hamanaka, Hokkaidō, Japan. The island, with a 4.5-kilometer coastline, forms part of Akkeshi Prefectural Natural Park.[2] The name is derived from the Ainu kene-pok or "beneath the alder" (Alnus japonica).[3] During studies in 1999, four species of mammal (long-clawed shrew, grey-sided vole, harbour seal, and visiting sika deer) and forty-one species of birds were recorded on the island; there were no amphibians or reptiles.[4] Of the birds, Leach's storm petrel (some twenty thousand pairs), Japanese cormorant, Japanese snipe, slaty-backed gull, and common reed bunting were identified as breeding on Kenbokki.[4] Flora include Gentiana triflora var. japonica (エゾリンドウ), Hemerocallis esculenta, and lily-of-the-valley.[5] Masanori Hata founded Mutsugorō Animal Kingdom (ムツゴロウ動物王国) after his stay on the island.[2] |
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| 16．Iturup |
| Iturup (Russian: Итуру́п; Japanese: 択捉島), also historically known by other names, is an island in the Kuril Archipelago separating the Sea of Okhotsk from the North Pacific Ocean. The town of Kurilsk, administrative center of Kurilsky District, is located roughly midway along its western shore. Iturup is the largest and northernmost of the southern Kurils, ownership of which is disputed between Japan and Russia. It is located between Kunashiri 19 km (12 mi) to its southwest and Urup 37 km (23 mi) to its northeast. The Vries Strait between Iturup and Urup forms the Miyabe Line dividing the predominant plants of the Kurils. |
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