Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Jakarta (59% of total searches to Java). The next most popular destinations are Yogyakarta (24%) and Tangerang City (13%). Searches for hotels in Semarang (4%) are also popular.
KAYAK users have found double rooms in Java for as cheap as €6 (Banyuwangi) in the last 3 days. The average price is €28.