Changhua County is located in central Taiwan, covering an area of 1,074 square kilometers. It is renowned as the "Granary of Taiwan" due to its significant agricultural production. The county consists of 26 administrative districts with an average temperature of 23.6°C.

The main rivers in Changhua County include the Wu River (Dadu River), Maoluo River, and Zhuoshui River, all flowing westward into the Taiwan Strait.

Changhua County boasts beautiful scenery and is home to several well-known attractions such as Bagua Mountain, Wanggong Fishing Port, Tianwei Highway Garden, Baiguo Mountain, Gushan Temple, Qingshui Rock, and Hushan Rock.