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Kudaka Island
Kudaka Island (久高島, Japanese: くだかじま, Ryukyuan: ''Kudaka-shima'') is an island in Ryukyu Islands, located in Nanjō, Okinawa Prefecture, Japan and 5.3 kilometers away from Cape Chinen, Nanjō. From Nanjō, Kudaka Island can be reached by high-speed boat in 15 minutes and by ferry in 20 minutes. It is only about three miles off the southeast coast of Okinawa. Kudaka Island is a slender island running from the northeast to the southwest, with an area of 1.38 square kilometers and a coastline of 7.8 kilometers. The terrain is flat and the highest point is 17.4 meters. The soil of Kudaka Island is terracotta, with poor water retention. In addition, coral reefs are constantly being formed along the coast, resulting in lagoons. According to the ''Chūzan Seikan'', the Emperor of Heaven ordered Amamikyu , or , is the creation goddess of the Ryukyu Islands in the Ryukyuan religion. Name Amamikyu's name comes from the reading of the Chinese characters 阿摩美久 or � ...
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Japanese Language
is the principal language of the Japonic languages, Japonic language family spoken by the Japanese people. It has around 123 million speakers, primarily in Japan, the only country where it is the national language, and within the Japanese diaspora worldwide. The Japonic family also includes the Ryukyuan languages and the variously classified Hachijō language. There have been many Classification of the Japonic languages, attempts to group the Japonic languages with other families such as Ainu languages, Ainu, Austronesian languages, Austronesian, Koreanic languages, Koreanic, and the now discredited Altaic languages, Altaic, but none of these proposals have gained any widespread acceptance. Little is known of the language's prehistory, or when it first appeared in Japan. Chinese documents from the 3rd century AD recorded a few Japanese words, but substantial Old Japanese texts did not appear until the 8th century. From the Heian period (794–1185), extensive waves of Sino-Ja ...
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Ryukyuan Languages
The , also Lewchewan or Luchuan (), are the indigenous languages of the Ryukyu Islands, the southernmost part of the Japanese archipelago. Along with the Japanese language and the Hachijō language, they make up the Japonic language family. Just as among Japanese dialects it is hard to understand each other, the Ryukyu and mainland Japanese languages are not mutually intelligible. It is not known how many speakers of these languages remain, but language shift toward the use of Standard Japanese and dialects like Okinawan Japanese has resulted in these languages becoming endangered language, endangered; Atlas of the World's Languages in Danger, UNESCO labels four of the languages "definitely endangered" and two others "severely endangered". Overview Phonologically, the Ryukyuan languages have some cross-linguistically unusual features. Southern Ryukyuan languages have a number of syllabic consonants, including unvoiced syllabic fricatives (e.g. Ōgami Miyako language, Miyako ...
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Ryukyu Islands
The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Geography of Taiwan, Taiwan: the Ryukyu Islands are divided into the Satsunan Islands (Ōsumi Islands, Ōsumi, Tokara Islands, Tokara and Amami Islands, Amami) and Okinawa Prefecture (Daitō Islands, Daitō, Miyako Islands, Miyako, Yaeyama Islands, Yaeyama, Senkaku Islands, Senkaku, Okinawa Islands, Okinawa, Sakishima Islands (further divided into the Miyako Islands, Miyako and Yaeyama Islands), and Yonaguni as the westernmost). The larger ones are mostly volcanic islands and the smaller mostly coral island, coral. The largest is Okinawa Island. The climate of the islands ranges from humid subtropical climate (Köppen climate classification ''Cfa'') in the north to tropical rainforest climate (Köppen climate classification ''Af'') in the south. Precipitation is very high and is affected by the rainy season and typhoons. Except the outlying Daitō Islands, the island chain ha ...
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Nanjō
is a city located in the southern part of Okinawa Island in Okinawa Prefecture, Japan. Translated literally, the name Nanjō means "southern castle". Many castle ruins, called gusuku in the Okinawan language, can be found throughout the city. The modern city of Nanjō was established on January 1, 2006, from the merger of the town of Sashiki, and the villages of Chinen, Ōzato and Tamagusuku (all from Shimajiri District). Nanjō has an area of 49.94 km² and, on the date of its inception, a population of 46,690, and a density of 934.92 per km². Of the eleven cities in Okinawa Prefecture, Nanjō has the smallest population. It does not have a separate police station nor a high school. For those services, citizens have to refer to the neighbouring towns of Yonabaru and Yaese. The city hosts a fire station responsible for Chinen, Ōzato and Tamagusuku and parts of Yaese, while Sashiki is served by a separate station. The city's main economic activities are agriculture an ...
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Okinawa Prefecture
is the southernmost and westernmost prefecture of Japan. It consists of three main island groups—the Okinawa Islands, the Sakishima Islands, and the Daitō Islands—spread across a maritime zone approximately 1,000 kilometers east to west and 400 kilometers north to south. Despite a modest land area of 2,281 km² (880 sq mi), Okinawa’s territorial extent over surrounding seas makes its total area nearly half the combined size of Honshu, Shikoku, and Kyushu. Of its 160 Island, islands, 49 are inhabited. The largest and most populous island is Okinawa Island, which hosts the capital city, Naha, as well as major urban centers such as Okinawa (city), Okinawa, Uruma, and Urasoe, Okinawa, Urasoe. The prefecture has a subtropical climate, characterized by warm temperatures and high rainfall throughout the year. People from the Ryukyu Islands, Nansei Islands, including Okinawa Island, Okinawa, the Sakishima Islands, and parts of Kagoshima Prefecture, are often collectively referred ...
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Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea in the south. The Japanese archipelago consists of four major islands—Hokkaido, Honshu, Shikoku, and Kyushu—and List of islands of Japan, thousands of smaller islands, covering . Japan has a population of over 123 million as of 2025, making it the List of countries and dependencies by population, eleventh-most populous country. The capital of Japan and List of cities in Japan, its largest city is Tokyo; the Greater Tokyo Area is the List of largest cities, largest metropolitan area in the world, with more than 37 million inhabitants as of 2024. Japan is divided into 47 Prefectures of Japan, administrative prefectures and List of regions of Japan, eight traditional regions. About three-quarters of Geography of Japan, the countr ...
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Okinawa Island
, officially , is the largest of the Okinawa Islands and the Ryukyu Islands, Ryukyu (''Nansei'') Islands of Japan in the Kyushu region. It is the smallest and least populated of the five Japanese archipelago, main islands of Japan. The island is approximately long, an average wide, and has an area of . It is roughly south of the main island of Kyushu and the rest of Japan. It is northeast of Taiwan. The total population of Okinawa Island was 1,384,762 in 2009. The greater Naha area has roughly 800,000 residents, while the city itself has about 320,000 people. Naha is the seat of Okinawa Prefecture on the southwestern part of Okinawa Island. Okinawa has a humid subtropical climate. Okinawa has been a strategic location for the United States Armed Forces since the Battle of Okinawa and the end of World War II. The island was formally controlled by the United States Civil Administration of the Ryukyu Islands until 1972, with around 26,000 U.S. military personnel stationed on Oki ...
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Lagoons
A lagoon is a shallow body of water separated from a larger body of water by a narrow landform, such as reefs, barrier islands, barrier peninsulas, or isthmuses. Lagoons are commonly divided into '' coastal lagoons'' (or ''barrier lagoons'') and ''atoll lagoons''. They have also been identified as occurring on mixed-sand and gravel coastlines. There is an overlap between bodies of water classified as coastal lagoons and bodies of water classified as estuaries. Lagoons are common coastal features around many parts of the world. Definition and terminology Lagoons are shallow, often elongated bodies of water separated from a larger body of water by a shallow or exposed shoal, coral reef, or similar feature. Some authorities include fresh water bodies in the definition of "lagoon", while others explicitly restrict "lagoon" to bodies of water with some degree of salinity. The distinction between "lagoon" and "estuary" also varies between authorities. Richard A. Davis Jr. restricts " ...
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Chūzan Seikan
, compiled in 1650 by Shō Shōken, is the first official history of the Ryūkyū Kingdom. In six scrolls, the main text occupies five and an accompanying summary the sixth. Unlike later official histories such as ''Chūzan Seifu'' and '' Kyūyō'', which were written in kanbun, ''Chūzan Seikan'' is largely written in Japanese, other than for the summary and a number of quotes in Chinese. The account of Shō Nei, whose reign saw invasion and subjugation by Satsuma, opens with the statement that the kingdom had been in subordinate vassal status to the Shimazu clan since the Eikyō era. The account of the siring of Shunten by Minamoto no Tametomo was similarly exploited during the Meiji period and after to help legitimize the annexation of the kingdom and its reconfiguration first as the Ryūkyū Domain and subsequently as Okinawa Prefecture is the southernmost and westernmost prefecture of Japan. It consists of three main island groups—the Okinawa Islands, the Sakishima I ...
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Amamikyu
, or , is the creation goddess of the Ryukyu Islands in the Ryukyuan religion. Name Amamikyu's name comes from the reading of the Chinese characters 阿摩美久 or 阿摩彌姑, which were most likely written ad hoc for the Okinawan pronunciation. It is likely related to the name of the Amami Islands. There are also kanji spellings of 天御子 and 天美子. Readings can vary widely from Amamikyu, Amamikyo, Amamikiyo, Amamiko, Amamiku, Amamigu, Amamichuu, and Amanchuu. "Amamikyu" was used by George H. Kerr in his ''Ryukyu: Kingdom and Province Before 1945'' in 1953. Creation myth The beginning of '' Chūzan Seikan'' details the creation of the Ryukyu Islands. The Heavenly Emperor (天帝), who lived in the Heavenly Gusuku (天城), looked down on the world and saw that there were no islands, so he ordered Amamikyu (阿摩美久) to create the Ryukyu Islands. She asked for materials to build the islands, so the Heavenly Emperor sent Shinerikyu to bring her grasses, trees, and s ...
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Ryukyu People
The are a Japonic-speaking East Asian ethnic group indigenous to the Ryukyu Islands, which stretch from the island of Kyushu to the island of Taiwan. With Japan, most Ryukyuans live in the Okinawa Prefecture or Kagoshima Prefecture. They speak the Ryukyuan languages, one of the branches of the Japonic language family along with the Japanese language and its dialects. Ryukyuans are not a recognized minority group in Japan, as Japanese authorities consider them a subgroup of the Japanese people, akin to the Yamato people. Although officially unrecognized, Ryukyuans constitute the largest ethnolinguistic minority group in Japan, with more than 1.4 million living in the Okinawa Prefecture alone. Ryukyuans inhabit the Amami Islands of Kagoshima Prefecture as well, and have contributed to a considerable Ryukyuan diaspora. Ryukyuans have a distinct culture with some matriarchal elements, an indigenous religion and a cuisine where rice was introduced fairly late (12th century). The p ...
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