Which province and city is Huaiji County?

According to Baidu map query, Huaiji County is Zhaoqing City, Guangdong Province.

Huaiji county has always had the saying that one river, two rivers and twenty-one waters. Yijiang refers to Suijiang, a tributary of Beijiang River. It flows from the southeast of the county to the Pearl River and into the South China Sea. The two rivers refer to Zhongzhou River and Fenggang River, and the twenty-one water refers to the twenty-one rivers of the first and second tributaries such as Maning Water. It is the largest plain in mountainous counties of Guangdong Province and the hometown of rice.