What was the name of Ryan 18 before?

Probably in the present Xianjiang area, during the Jiaqing period of the Qing Dynasty, all the 18th capitals belonged to Zengxi Town, which is a village under the jurisdiction of the 18th capitals.

Eighteen capital letters:

[Seventeen Villages] Yangtou, Li Tang, Tangjiao, Sijia, Daitou, Riverside, Xiahe, Street, Lane, Temple Bottom, Lin Xia, Dongyang, Bridge, Xiyang, Dutou, Shangtu and sandbar.

Attached drawings (Qing Jiaqing's Rui 'an County Annals)

Source: Ryan Forum