evidence: Rason (formerly Rajin-Sŏnbong; Korean pronunciation: [ɾa.sʌ̹n, ɾa.dʑin.sʰʌ̹n.boŋ]) is a North Korean special city and ice-free port[3] in the Sea of Japan in the North Pacific Ocean on the northeast tip of North Korea. It is in the Kwanbuk region and location of the Rason Special Economic Zone. [...] Administrative divisions [edit]Rason is divided into two district (kuyŏk).[10] [...] - ^ "Rasun Becomes Special City". Daily NK. 5 January 2010. Archived from the original on 22 March 2012.