Bilian Town is located in the northwest of Yongjia County, in the middle reaches of Xiaonan River, adjacent to Daruoyan Town in the east, Kunyang Township in the south, Ming'ao Township in the west, and Shankeng Township and Biaoshan Township in the north. The town government is located in Bilian, 42 kilometers away from the county seat. The town has a total area of ??44.8 square kilometers (including 43,100 acres of mountain fields and 5,000 acres of cultivated land). It has 16 administrative villages, 1 neighborhood committee, 5,960 households, and a total population of 20,695 people. .