The town of Yujing is located to the east of Tainan County. It’s on a southern branch of the Ali Mountain range, 100 meters above sea level. The distance to Sinying is 50 kilometers, and to Tainan 36 kilometers. On the north it borders Nansi; on the east, Nanhua; and on the west the two towns of Danei and Shanshang. To the south is Zuojhen. Zengwun stream passes through it, before it unites with Houjue stream and flows into the town of Danei.
1. Mudstone — This is found on hillside areas and forest land.
2.Taiwan clays － These are found at Sanxian Temple, at Mangzimang, and in the interior forest zone.
3.Arenaceous loam － This is the classification of most of the land apart from forests and hillsides. It is not good for paddy rice and instead is used to grow mango, starfruit, orange, sugarcane, and guava.