Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Kusatsu (67% of total searches to Gunma Prefecture). The next most popular destinations are Minakami (16%) and Takasaki (9%). Searches for hotels in Nakanojo (8%) are also popular.
KAYAK users have found double rooms in Gunma Prefecture for as cheap as $16 (Midori) in the last 3 days. The average price is $163.
In the last 72 hours, users have found Gunma Prefecture hotels for tonight for as low as $92 (Tatebayashi). Users have also found 4-star+ hotels from $295 (Kusatsu).