Rajin-guyŏk (Korean pronunciation: [ɾadʑin ɡujʌk]) is a North Korean ward on Rason in the Sea of Japan (East Sea of Korea) in the North Pacific Ocean on the northeast tip of North Korea.

Rajin Station is the terminus of both the P'yŏngra and Hambuk lines of the Korean State Railway.

Coal transport from North Korea to Khasan on the renewed line started in summer 2014.

Thus, the pilot part of the project aimed at the reconstruction of the Trans-Korean railway from Russia's Khasan to the seaport of Rajin just over the border.

[3] Sŏnbong-guyŏk is divided into 18 tong (neighbourhoods) and 2 ri (villages):