Yeongjeo-ri Suspected Uranium Enrichment Facility

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Last Updated: June 1, 2012
Other Name: 영저리의혹우라늄농축시설
Location: Yeongjeo-ri (영저리), Kimhyeongjik-gun (김형직군), Yanggang Province (양강도), North Korea, about 20km from the Chinese border. Note: "Yeongjeo-ri"(영조리) is often misidentified as "Yeongjo-dong (영조동)," but the actual administrative unit is "ri (리)."
Subordinate To: Probably the 5th Machine Industry Bureau (5기계공업총국), Korean Workers Party (조선노동당)
Size: Unknown
Facility Status: Unknown

Construction of a large underground site in Yeongjeo-ri began in the mid-1990s, and it was thought to be a missile base only. However, it is in a mountainous area and is well hidden, making it a potential site for other clandestine activities. [1] In October 2002, North Korea admitted that it possessed a program to enrich uranium, and this site was named as one of three sites suspected for this program, along with Hagap and the Academy of Sciences in Pyongyang. [2]

[1] Yang Nak-gyu, “북핵실험 5대 의혹 장소는 [5 Suspected North Korean Nuclear Test Sites],” Asian Economy, 14 April 2011,
[2] Choi Hyun-soo and Ahn Ue-geun, “북 핵 은닉 장소, 평북 구서.영변 일대… 군당국, 8 -13곳 주시 [8-13 Hidden North Korean Locations Suspected of Being Nuclear Facilities],” Kukmin Ilbo, 19 September 2009, via:; “북핵 개발 ‘의심’ 시설 3곳 [3 Suspected North Korean Nuclear Development Sites],” Yonhap News Agency, 19 October 2002, via:

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