Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Prague (93% of total searches to Czech Republic). The next most popular destinations are Carlsbad (3%) and Brno (3%). Searches for hotels in Český Krumlov (1%) are also popular.
Based on KAYAK hotel searches, the most popular region to stay in Czech Republic is Prague Region. Carlsbad Region and South Moravian are also very popular.
KAYAK users have found double rooms in Czech Republic for as cheap as $18 (Prague) in the last 3 days. The average price is $115.