The Precinct is located at the northwest of Tainan City. It covers three townships: Xuejia, Beimen and Jiangjun. In the north, the Precinct is next to Budai Precinct of Jiayi County. It borders Xinying Precinct in the northeast, Madou Precinct in the east and Jiali Precinct in the south. The coastline within the Precinct extends from Bazhang River in the north through Qing Kun Ni in the south for a total length of 23.5 km. Fisheries are distributed all over the coastline. There are quite a few river streams inside the Precinct; rapid water streams and the Jiangjun River run throughout the Precinct, which has a flat terrain.