Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Saitama (57% of total searches to Saitama Prefecture). The next most popular destinations are Kawagoe (21%) and Kawaguchi (14%). Searches for hotels in Tokorozawa (9%) are also popular.
KAYAK users have found double rooms in Saitama Prefecture for as cheap as $32 (Honjō) in the last 3 days. The average price is $81.