Noktundo is a former island (currently a peninsula) in the delta of the

Tumen River The Tumen River, also known as the Tuman River or Duman River (), is a long river that serves as part of the boundary between China, North Korea and Russia, rising on the slopes of Mount Paektu and flowing into the Sea of Japan. The river has ...

on the border between

Primorsky Krai Primorsky Krai (russian: Приморский край, r=Primorsky kray, p=prʲɪˈmorskʲɪj kraj), informally known as Primorye (, ), is a federal subject (a krai) of Russia, located in the Far East region of the country and is a part of the ...

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

and

North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korea, Korean Peninsula and shares borders with China and Russia to the north, at the Yalu River, Y ...

. The area of the island was . In the 15th century, Noktundo belonged to the Jurchen. In 1587 there was a battle fought on this island between the local Jurchen and the invading army from

Yi Sun-sin Admiral Yi Sun-sin (April 28, 1545 – December 16, 1598) was a Korean admiral and military general famed for his victories against the Japanese navy during the Imjin war in the Joseon Dynasty. Over the course of his career, Admiral Yi foug ...

, a general of Korea. At the time of the shallowing of the northern branch of the Tumen, the course of the river changed from time to time. As a result, the island of Noktundo was sometimes joined with the mainland of Primorsky Krai. Regardless, the island remained under

Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...

n jurisdiction. The island was under

n control until 1860

Convention of Peking The Convention of Peking or First Convention of Peking is an agreement comprising three distinct treaties concluded between the Qing dynasty of China and Great Britain, France, and the Russian Empire in 1860. In China, they are regarded as amon ...

, when the

Russian Empire The Russian Empire was an empire and the final period of the Russian monarchy from 1721 to 1917, ruling across large parts of Eurasia. It succeeded the Tsardom of Russia following the Treaty of Nystad, which ended the Great Northern War. ...

took over the island. When the

Joseon Joseon (; ; Middle Korean: 됴ᇢ〯션〮 Dyǒw syéon or 됴ᇢ〯션〯 Dyǒw syěon), officially the Great Joseon (; ), was the last dynastic kingdom of Korea, lasting just over 500 years. It was founded by Yi Seong-gye in July 1392 and re ...

government found this out in the 1880s, this became a matter of protest to the Koreans, who claimed that the Russians had no authority to do so, and protested it to the

Qing The Qing dynasty ( ), officially the Great Qing,, was a Manchu-led imperial dynasty of China and the last orthodox dynasty in Chinese history. It emerged from the Later Jin dynasty founded by the Jianzhou Jurchens, a Tungusic-speaki ...

. In 1990,

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...

and North Korea signed a border treaty which made the border run through the center of the river leaving the territory of the former island on the Russian side. South Korea refused to acknowledge the treaty and demanded that Russia return the territory to Korea.

References

Landforms of North Korea Former islands Former islands of Russia North Korea–Russia border Peninsulas of Asia Korea–Soviet Union relations Geography of Primorsky Krai {{Russia-geo-stub