Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Hiroshima (83% of total searches to Hiroshima Prefecture). The next most popular destinations are Miyajima (10%) and Onomichi (4%). Searches for hotels in Hatsukaichi (4%) are also popular.
KAYAK users have found double rooms in Hiroshima Prefecture for as cheap as $15 (Hiroshima) in the last 3 days. The average price is $150.