Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Changsha (66% of total searches to Hunan). The next most popular destinations are Zhangjiajie (31%) and Hengyang (2%). Searches for hotels in Xiangxi (2%) are also popular.
KAYAK users have found double rooms in Hunan for as cheap as S$ 13 (Zhangjiajie) in the last 3 days. The average price is S$ 80.