Gyaca County, (*****: རྒྱ་ཚ་རྫོང་, Wylie: rgya tsha rdzong; Gyatsa; Chinese: 加查县; Pinyin: Jiāchá Xiàn) is a county of Shannnan located in the south-east of the ***** Autonomous Region, China.

Gyatsa County is in the south of *****, stretching from the Podrang La pass along the southern side of the Brahmaputra River downstream to Pamda which is just to the southwest of Daklha Gampo, across the Brahmaputra. The county capital is in the town of Gyaca or Drumpa (46 km west of Pamda) which is alongside the Drakpo Dratsang Monastery. It is renowned for its walnuts and apricots.