The Former Residence of Zeng Guofan or Zeng Guofan's Former Residence was built in 1865. It is located in Heye Town, Shuangfeng County, Hunan, China. It includes the Banyue Pool, gatehouse, main buildings, Qiuque Pavilion (求缺斋), Guipu Pavilion (归璞斋), Yifang Hall (艺芳馆), and Siyun Hall (思云馆), of which Siyun Hall was built by Zeng Guofan himself in 1857. Covering an area of more than 40,000 square metres (430,000 sq ft) with construction area of 10,000 square metres (110,000 sq ft), Fuhou Mansion, the most completely preserved rural marquis mansion in China, symmetrically distributes the buildings along a central axis with a scattered layout and open view that is large in scale and solemn in appearance.