Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Hiroshima (86% of total searches to Chugoku). The next most popular destinations are Okayama (8%) and Matsuyama (3%). Searches for hotels in Hatsukaichi (3%) are also popular.
KAYAK users have found double rooms in Chugoku for as cheap as $24 (Hiroshima) in the last 3 days. The average price is $210.