It marks the site where immigrants from the China mainland first arrived in Taiwan and named the area "Chianan (south of Chiayi County) Barn." Since its founding, Hsilo has been dominated by the Choshui Chi (River) on whose estuary it lies.
溪水的漲退影響小鎮的興衰西螺位於台灣中西部，是濁水溪下游南岸的小鎮，多少年來，西螺的興衰起落都和濁水溪有著密不可分的關係。