It borders the Sea of Japan in the east, Bonghwa-gun and Yeongyang-gun in the west, Yeongdeok-gun in the south, and Samcheok-si, Gangwon-do in the north.

The county office is located in Eupnae-ri, Uljin-eup, Uljin-gun, Gyeongsangbuk-do.

Uljin's festivals reflect the county's agricultural and maritime industry.

The plant currently has six reactors and is a top source of jobs for the county and region.

[2] Uljin has a cooler version of a humid subtropical climate (Köppen: Cfa).