Undok is a kun, or county, in North Hamgyong province, North Korea. Formerly known as Kyonghung County, it was given its current name in 1977. For other uses, see Hangul (disambiguation). ... It has been suggested that Sino-Korean be merged into this article or section. ... McCune-Reischauer romanization is one of the two most widely used Korean language romanization systems, along with the Revised Romanization of Korean, which replaced (a modified) McCune-Reischauer as the official romanization system in South Korea in 2000. ... The Revised Romanization of Korean (Korean: 국어의 로마자 표기법; 國語의 로마字 表記法) is the official Korean language romanization system in South Korea. ... Square kilometre (US spelling: Square kilometer), symbol km², is an SI unit of surface area. ... North Hamgyŏng (Hamgyŏng-pukto) is a province of North Korea. ...

The county borders the People's Republic of China to the northeast. With the exception of the southwest, it is dominated by low hills, with occasional plains. The highest point is Songjinsan (1146 m). The dominant river is the Tumen, which separates the county from China. The level ground along the Tumen is developed, but approximately 80% of the county is forested. The Tumen River, also known as the Duman River (in Korean), is a river in northeast Asia, on the border between China and North Korea in its upper reaches, and between North Korea and Russia in its lower stretches. ...

Mining, particularly coal mining, is the chief industry in Undok, where lignite is found; Undok is the site of the Aoji Coal Mine. In addition, farming and livestock raising are widespread. The chief crops are maize, rice, soybeans, and potatoes. The Aoji Chemical Factory is located in the county as well. This article or section does not cite its references or sources. ... Coal Coal is a fossil fuel extracted from the ground by mining. ...

Undok lies on the Hambuk Line and Hoeam Line railroads.

See also

• North Hamgyong
• Geography of North Korea
• Administrative divisions of North Korea

North Hamgyŏng (Hamgyŏng-pukto) is a province of North Korea. ... Map of North Korea North Korea is located in eastern Asia, on the northern half of the Korean Peninsula. ... Administrative divisions of North Korea As of 2004, North Korea consisted of two directly-governed cities (Chikalshi; 직할시;直轄市), three special administrative regions with various designations, and nine provinces (Do, singular and plural; 도; 道). These 14 regions are, in turn, divided into a Special...

External links

• (Korean) In Korean language online encyclopedias:
  • Dusan World Encyclopedia (Naver)
  • Korean language Britannica (Empas)  (Map)
  • Encyclopedia of Korean National Culture (Empas)
  • Pascal World Encyclopedia (Nate)

The Korean language (, see below) is the official language of both North and South Korea. ...