Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Nagasaki (59% of total searches to Nagasaki Prefecture). The next most popular destinations are Sasebo (34%) and Shin-Kamigoto (5%). Searches for hotels in Unzen (2%) are also popular.
KAYAK users have found double rooms in Nagasaki Prefecture for as cheap as $69 (Sasebo) in the last 3 days. The average price is $193.