Yeonbaek County (Yeonbaek-gun) or Yonbaek County (Yonbaek-gun) was a county in Hwanghae Province, Korea. It was established in 1914 by uniting Yonan County and Paechon County. It was divided during Division of Korea. During Korean War, North Korea took whole Yeonbaek County. North Korea disestablished Yeonbaek County and reestablished former Yonan County and Paechon County in 1952.
References
Yeonbaek County Wikipedia(Text) CC BY-SA