Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Kumamoto (62% of total searches to Kumamoto Prefecture). The next most popular destinations are Aso (16%) and Minamioguni (16%). Searches for hotels in Minamata (5%) are also popular.
KAYAK users have found double rooms in Kumamoto Prefecture for as cheap as £33 (Hitoyoshi) in the last 3 days. The average price is £146.