Ohga (오가, 五加) or Five Ministers is a political structure of

Gojoseon Gojoseon (; ), contemporary name Joseon (; ), was the first kingdom on the Korea, Korean Peninsula. According to Korean mythology, the kingdom was established by the legendary king Dangun. Gojoseon possessed the most advanced culture in th ...

and

Buyeo Buyeo (; ; ), also rendered as Puyŏ or Fuyu, was an ancient kingdom that was centered in northern Manchuria in modern-day northeast China. It had ties to the Yemaek people, who are considered to be the ancestors of modern Koreans. Buyeo is ...

, according to Joseon Sanggosa. Literally, ''Ohga'' means ''five gas'' because ''Oh'' means ''five'' in Korean. Joseon Sanggosa, chapter2 Ohga were composed of Dotga, Gaeda, Soga, Malga and Shinga. Dotga is a minister of the eastern area, Gaega was a minister of the western area, Soga was a minister of southern area, Malga was a minister of the northern area, and Shinga was the supreme minister among the Five Ministers. Shinga had responsibility for the central area. These names of Ohga resembled the name of animals. ''Dot'' in Dotga means ''pig'', ''Gae'' in Gaeda means ''dog'', ''so'' in Soga means ''cow'', ''mal'' in Malga means ''horse''. ''Shin'' in Shinga does not mean any animal, and it always represents Heaven because the Koreans consider themselves as the descendants of Heaven.

References

{{Korea-hist-stub Buyeo Gojoseon