1. In 1985, Zhangyan Town governed the four communities of Andong, Jiefang, Heping, and Dongfeng; Zhangyan Township governed Jiugang, Sangyuan, Yongli, Luyan, Baijia, Gaoqiao, Jieshan, Qinshan, Qinwang,

There are 12 administrative villages in Qinyang, Hejing and Jiannong and 184 villager groups.

2. In 1993, Zhangyan Town and Zhangyan Township were abolished and Zhangyan Town was established.

3. At the end of 1995, it had jurisdiction over the four communities of Andong, Jiefang, Heping, and Dongfeng, as well as Luyan, Hejing, Sangyuan, Jiugang, Jiaoli, Jiannong, Qinyang, Qinshan, Qinwang, Jieshan, Baijia, and Gao

Bridge 12 administrative villages.

4. In 2004, it governed the three communities of Dongfeng, Jiefang, and Fumin and the nine administrative villages of Jiugang, Sangyuan, _li, Ludi, Baijia, Qinwang, Qinshan, Qinyang, and Jiannong.

5. In 2011, Zhangyan Town governed 9 villages and 4 communities, specifically Dongfeng Community, Jiefang Community, Fumin Community, Liuxi Community, Jiugang Village, Sangyuan Village, _li Village, Luyan Village, Baijia Village, Qin

Wangcun, Qinshan Village, Qinyang Village, Jianrong Village.

6. Zhangyan Town is located in the middle of Jinshan District, at 120°9′ east longitude and 30° north latitude. It borders Tinglin Town and Shanyang Town to the east, Jinshanwei Town to the south and west, and Lvxiang Town to the northwest.

The northwest part is slightly lower and belongs to the southeastern outer edge of the Songyin Low Plain. The ground elevation is 3.4 to 3.8 meters above the Wusong base level. The southeastern part is slightly higher and belongs to the northwest outer edge of the Jinwei High Plain. The ground elevation is 3.8 to 4 meters above the Wusong base level.

meters, in 2017, the entire town area of ??Zhangyan Town was 34.93 square kilometers.