Thrimshing Dungkhag (sub-district) is one of the Dungkhags under the Trashigang Dzongkhag. Thrimshing Dungkhag is connected with 14.5 KMs Gewog Center Road from Trashiyangphu to the Dungkhag Office. It is also connected with the electricity and mobile network connections. The Dungkhag Administration Office is located at Phegpari. It comprises of two remote gewogs, Kangpara and Thrimshing.