Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Hatsukaichi (33% of total searches to Hiroshima Prefecture). The next most popular destinations are Miyajima (33%) and Hiroshima (17%). Searches for hotels in Fukuyama (17%) are also popular.
KAYAK users have found double rooms in Hiroshima Prefecture for as cheap as €22 (Hiroshima) in the last 3 days. The average price is €208.